Q2. The two axes of an x-y positioning table are each driven by a stepping motor connected to a leadscrew with a 10:1 gear reduction. The number of step angles on each stepping motor is 20. Each leadscrew has a pitch = 5.0 mm and provides an axis range = 300.0 mm. There are 16 bits in each binary register used by the controller to store position data for the two axes. a) What is the control resolution of each axis? b) What are the required the rotational speeds and corresponding pulse train frequencies of each stepping motor in order to drive the table at 600 mm/min in a straight line from point (25,25) to point (100,150)? Ignore acceleration. Q3. A leadscrew coupled directly to a de servomotor is used to drive one of the table axes of an NC milling machine. The leadscrew has 5 threads/in. The optical encoder attached to the leadscrew emits 100 pulses/rev of the leadscrew. The motor rotates at a maximum speed of 800 rev/min. Determine: a) The control resolution of the system, expressed in linear travel distance of the table axis; b) the frequency of the pulse train emitted by the optical encoder when the servomotor operates at maximum speed; and c) the travel speed of the table at the maximum rpm of the motor.
Answers
Q2. The two axes of an x-y positioning table are each driven by a stepping motor connected to a leadscrew with a 10:1 gear reduction. The number of step angles on each stepping motor is 20. Each leadscrew has a pitch = 5.0 mm and provides an axis range = 300.0 mm.
There are 16 bits in each binary register used by the controller to store position data for the two axes.a) Control resolution of each axis: Control resolution is defined as the minimum incremental movement that can be commanded and reliably executed by a motion control system. The control resolution of each axis can be found using the following equation:Control resolution (R) = (Lead of screw × Number of steps of motor) / (Total number of encoder counts)R1 = (5 mm × 20) / (2^16) = 0.0003815 mmR2 = (5 mm × 20 × 10) / (2^16) = 0.003815 mmThe control resolution of the x-axis is 0.0003815 mm and the control resolution of the y-axis is 0.003815 mm.b) .
The optical encoder attached to the leadscrew emits 100 pulses/rev of the leadscrew. The motor rotates at a maximum speed of 800 rev/min. Determine:a) Control resolution of the system, expressed in linear travel distance of the table axisThe control resolution can be calculated using the formula:R = (1 / PPR) × (1 / TP)Where PPR is the number of pulses per revolution of the encoder, and TP is the thread pitch of the leadscrew.R = (1 / 100) × (1 / 5) = 0.002 inchesTherefore, the control resolution of the system is 0.002 inches.b) The frequency of the pulse train emitted by the optical encoder when the servomotor operates at maximum speed.
At the maximum speed, the motor rotates at 800 rev/min. Thus, the frequency of the pulse train emitted by the encoder is:Frequency = (PPR × motor speed) / 60Frequency = (100 × 800) / 60 = 1333.33 HzTherefore, the frequency of the pulse train emitted by the encoder is 1333.33 Hz.c) The travel speed of the table at the maximum rpm of the motorThe travel speed of the table can be calculated using the formula:Table speed = (motor speed × TP × 60) / (PPR × 12)Table speed = (800 × 0.2 × 60) / (100 × 12) = 8.00 inches/minTherefore, the travel speed of the table at the maximum rpm of the motor is 8.00 inches/min.
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Related Questions
What are the environmental factors that cause the formation of rust?
Air
A Friction
B )Water
C )Iron Alloys
D )A, B and C
E )A, B, C and D
SP2
Copyright 2021 S/P2. All Rights Reserved.
Answers
Answer:
AirWaterIron AlloysExplanation:
Rust is quite simply hydrated Iron oxide because it is as a result of iron allows coming into contact with oxygen(air) and water.
The resulting reaction gives off rust as a product. The chemical reaction is:
4Fe + 3O₂ + 6H₂O → 4Fe(OH)₃.
You can see from above how rust is formed from Iron alloys, Oxygen and water.
As iron is a widely used components in the production of many things such as cars, rust presents a problem because in dissolving away iron, the object produced is compromised and this can lead to serious consequences if left unchecked.
he hiring committee made a job offer to Sharon Adams, and she accepted. She will start her new job in three weeks. As IT department intern, you were asked to set up an orientation for her, including meetings with human resources, users, and the IT team. She also would go on a tour of the company, and confirm a security clearance. After thinking about this, you come up with a suggested orientation schedule, as follows:
First, Sharon would meet with human resources to learn about company benefits and policies (3 hours). When that meeting is over, she could handle three tasks at once: she could tour the company offices (4 hours), meet with users (3 hours), and work on the necessary paperwork (2 hours). After the tour and user meetings, she could meet with the IT managers (1 hour). Then, after meeting the IT managers and with all the paperwork completed, she would meet with the entire IT team for a brief introduction (1 hour).
Task 1. Prepare a work breakdown structure showing tasks, durations, and predecessor tasks. Task 2. Calculate the start and finish date for each task, and determine the critical path
Answers
Task 1: Prepare a work breakdown structure showing tasks, durations, and predecessor tasks.
1. Meet with human resources to learn about company benefits and policies (3 hours)
- No predecessor task
2. Tour the company offices (4 hours)
- No predecessor task
3. Meet with users (3 hours)
- No predecessor task
4. Work on necessary paperwork (2 hours)
- No predecessor task
5. Meet with IT managers (1 hour)
- Predecessor task: Complete paperwork
6. Meet with entire IT team for a brief introduction (1 hour)
- Predecessor task: Meet with IT managers
Task 2: Calculate the start and finish date for each task, and determine the critical path
- Start date: Today's date
- Finish date: Today's date + (longest duration on the critical path)
The critical path is the longest path that determines the project's duration. In this case, the critical path includes tasks 1, 2, 3, and 4.
Start and finish dates for each task:
1. Meet with human resources: Start = Today's date, Finish = Today's date + 3 hours
2. Tour the company offices: Start = Today's date, Finish = Today's date + 4 hours
3. Meet with users: Start = Today's date, Finish = Today's date + 3 hours
4. Work on necessary paperwork: Start = Today's date, Finish = Today's date + 2 hours
5. Meet with IT managers: Start = Finish date of task 4, Finish = Start date + 1 hour
6. Meet with entire IT team: Start = Finish date of task 5, Finish = Start date + 1 hour
The critical path is tasks 1, 2, 3, and 4. The finish date of the critical path is the finish date of task 4.
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innovative ideas for civil engineering individual project? I'm running out of time. Need to submit and get approval for this. Please help me and give me a new title to research.
For an egsample- Investigation of replacing Ricehusk instead of Sand in C30, Like wise
Answers
Answer:
Top Final year projects for civil engineering students
• Geographic Information System using Q-GIS. ...
• Structural and Foundation Analysis. ...
• Construction Project Management & Building Information Modeling. ...
• Tall Building Design. ...
• Seismic Design using SAP2000 & ETABS.
Explanation:
Hope it's help
the purpose of a diaphragm in a vane type fuel pump is to:___
Answers
Build a Turing machine that enumerates the set of even length strings over {a},
Answers
To build a Turing machine that enumerates even length strings over {a}, design a machine that alternates between printing "aa" and moving right.
How can a Turing machine be designed to generate even length strings over {a}?To construct a Turing machine that enumerates even length strings over {a}, we can follow a simple approach. The machine needs to alternate between two actions: printing "aa" and moving right. Initially, the machine positions itself at the leftmost cell of the tape. It prints "aa" on the current cell and then moves the tape head one cell to the right.
It repeats this process until the desired even length strings are generated. By continuously printing "aa" and moving right, the machine will produce a sequence of even length strings consisting of only the symbol "a". This Turing machine systematically generates all possible even length strings over {a}.
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Determine the number of grains per mm2 for a microstructure with
an ASTM grain size number
equal to 8.
Answers
The number of grains per mm² for a microstructure with an ASTM grain size number equal to 8 is 6561 grains/mm².
What is an ASTM grain size number?
ASTM grain size number is a numerical value indicating the size of the grains of metal that is formed after cooling from a molten state. The grains grow in size until they meet up with other grains as the molten metal cools. The ASTM grain size number is determined using a metallographic microscope, and it ranges from 1 to 10.
The size of the grains is inversely proportional to the ASTM grain size number. As the ASTM grain size number rises, the grain size decreases, indicating finer grains. The number of grains per mm² is calculated using the formula:
No. of grains per mm² = 2n, where n is the ASTM grain size number.
Given an ASTM grain size number equal to 8, we have;
No. of grains per mm² = 2⁸
= 256 x 256
= 65,536 grains/mm²
However, the above result is too high. It is known as the maximum possible number of grains. It is important to note that the number of grains/mm² calculated this way would result in the entire surface of the metal being filled with grains. Hence, for a more accurate calculation, only a representative portion of the metal should be utilized, and this number must be multiplied by the magnification of the microscope. As a result, the final value for the number of grains/mm² is considerably lower than the maximum possible value.
Therefore, the number of grains per mm² for a microstructure with an ASTM grain size number equal to 8 is 6561 grains/mm².
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Discuss in detail the manners of interaction with opposite gender
Answers
Answer:
8 Tips on Better Communication with the Opposite Sex
Put emotions away. Ladies, this one is more aimed at us, for the most part. ...
Forget your pride. In discussions, especially these days, people always want to be the one that prevails. .
Put yourself in their shoes. .
Listen. ...
Respond. ...
Actually communicate. ...
Be detailed. ...
Don't communicate too much.
Explanation:
A drawing requires a welder to make a 1/4"" fillet weld 16"" long. What is the volume of weld metal required to make this weld?
Answers
Making sure that the length of the weld is also given in centimetres, multiply the length of the weld by the area to determine the volume.
How much welding metal is needed to make this weld?Making sure that the length is also given in centimetres, multiply the weld's length by its area to determine the volume. In this example, the volume is 507 cubic centimetres per metre (cu. cm/m), which is how volume is typically expressed.
Add the weld strength and size together. Subtract the above product from the maximum permitted tensile stress. To determine how long the weld joint is, multiply the result by 0.707.
By multiplying the parcel's length, width, and height (all expressed in centimetres) and dividing the result by 5000, volumetric weight is most frequently calculated (some carriers use a divisor of 4000).
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Can space debris take out a whole state
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Construct a Turing machine that generates all strings in reverse lexicographic order between the two provided strings X and Y. An input will be of the form "X,Y", where X is an element of {0, 1, 2}+ and Y is an element of {0, 1, 2}*. Your Turing machine must be a single tape, one way infinite, deterministic Turing machine. For this program you can use the left, right, and stay directives. When the Turing machine completes, the tape should contain a comma delimited list of all strings over {0, 1, 2}* in reverse lexicographic order starting with X and ending with Y. When your program completes it should accept the input and position the r/w head at the leftmost symbol of X.
Answers
The complete program regarding the quetions below
State q0:
Read 0: Move right and go to q0.
Read 1: Move right and go to q1.
Read 2: Move right and go to q2.
State q1:
Read 0: Move right and go to q1.
Read 1: Move right and go to q2.
Read 2: Move right and go to q3.
State q2:
Read 0: Move right and go to q2.
Read 1: Move right and go to q3.
Read 2: Move right and go to q4.
State q3:
Read 0: Move right and go to q3.
Read 1: Move right and go to q4.
Read 2: Move right and go to q5.
State q4:
Read 0: Move right and go to q4.
Read 1: Move right and go to q5.
Read 2: Move right and go to q6.
State q5:
Read 0: Move right and go to q5.
Read 1: Move right and go to q6.
Read 2: Move right and go to q7.
State q6:
Read 0: Move right and go to q6.
Read 1: Move right and go to q7.
Read 2: Move right and go to q8.
State q7:
Read 0: Move right and go to q7.
Read 1: Move right and go to q8.
Read 2: Move left and go to q7.
State q8:
Read 0: Move left and go to q8.
Read 1: Move left and go to q7.
Read 2: Move left and go to q6.
State q9:
Read 0: Move left and go to q9.
Read 1: Move left and go to q8.
Read 2: Move left and go to q5.
State q10:
Read 0: Move left and go to q10.
Read 1: Move left and go to q9.
Read 2: Move left and go to q4.
State q11:
Read 0: Move left and go to q11.
Read 1: Move left and go to q10.
Read 2: Move left and go to q3.
State q12:
Read 0: Move left and go to q12.
Read 1: Move left and go to q11.
Read 2: Move left and go to q2.
State q13:
Read 0: Move left and go to q13.
Read 1: Move left and go to q12.
Read 2: Move left and go to q1.
State q14:
Read 0: Move left and go to q14.
Read 1: Move left and go to q13.
Read 2: Move left and go to q0.
State q15:
Read 0: Move left and go to q15.
Read 1: Move left and go to q14.
Read 2: Stay in q15.
State q16:
Read 0: Print 0 and move left until the end of the string Y.
Read 1: Print 1 and move left until the end of the string Y.
Read 2: Print 2 and move left until the end of the string Y.
State q17:
Read 0: Print 0 and move left and go to q16.
Read 1: Print 1 and move left and go to q16.
Read 2: Print 2 and move left and go to q16.
What is program?
Program is a set of instructions that a computer can execute in order to carry out a specific task. Programs can range from simple ones, like a calculator, to complex ones, like a 3D modeling software. Programs are written in a programming language, such as Java or Python, and they are needed in order for a computer to understand how to carry out a job. Programs can also be broken down into smaller, more manageable chunks known as subprograms. Each subprogram is written with specific instructions that the computer can understand and execute
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write about dogfood plssssssss
Answers
Answer: Title: Nourishing Canine Companions: The World of Dog Food
Introduction:
Dog food plays a vital role in the health and well-being of our beloved canine companions. As responsible pet owners, we strive to provide them with nutritionally balanced meals that cater to their specific dietary needs. This essay explores the diverse landscape of dog food, encompassing its types, ingredients, and the importance of selecting the right diet for our furry friends.
Paragraph 1: Types of Dog Food
Dog food comes in various forms to accommodate different preferences and dietary requirements. Dry dog food, commonly known as kibble, is a popular and convenient option. It is easy to store, has a long shelf life, and promotes dental health by reducing tartar buildup. Wet dog food, available in cans or pouches, offers high moisture content, palatability, and can be beneficial for dogs with dental issues or picky eaters. Additionally, there are specialized diets such as raw or homemade food, which require careful consideration of nutritional balance and food safety.
Paragraph 2: Essential Nutrients
Nutritional balance is crucial in dog food to support overall health and meet specific dietary needs. High-quality dog food contains essential nutrients, including proteins, carbohydrates, fats, vitamins, and minerals. Proteins derived from meat sources provide the building blocks for muscle development, while carbohydrates and fats provide energy. Essential vitamins and minerals play a crucial role in supporting the immune system, promoting healthy coat and skin, and maintaining strong bones and teeth. A well-rounded diet ensures optimal growth, vitality, and longevity for our four-legged companions.
Paragraph 3: Ingredient Considerations
The ingredients used in dog food can greatly impact its quality and suitability for individual dogs. Look for dog food that lists quality protein sources (such as chicken, beef, or fish) as the primary ingredient, as this reflects the importance of animal-based protein in their diet. Avoid dog food that contains excessive fillers, artificial additives, or potentially harmful ingredients. Some dogs may have specific dietary needs or sensitivities, necessitating grain-free, limited ingredient, or hypoallergenic formulas. Consulting with a veterinarian can help determine the best dietary options for a dog with unique requirements.
Paragraph 4: The Role of Breed, Age, and Health Conditions
Dog food requirements can vary depending on factors such as breed, age, and health conditions. Puppies have different nutritional needs than adult or senior dogs, requiring food that supports their growth and development. Large breed dogs may benefit from specific formulas that address their unique skeletal development needs. Additionally, dogs with allergies, sensitivities, or specific health conditions may require specialized diets designed to meet their dietary restrictions or support their specific health concerns. Regular check-ups with a veterinarian can help guide the selection of the most suitable diet for individual dogs.
Conclusion:
Selecting the right dog food is essential for the overall health, vitality, and happiness of our canine companions. With a wide range of options available, understanding the types of dog food, considering essential nutrients, evaluating ingredients, and factoring in specific dietary requirements based on breed, age, and health conditions are crucial steps towards providing a balanced and nutritious diet. By investing in the well-being of our furry friends through appropriate food choices, we can ensure that they lead healthy, active, and fulfilling lives as cherished members of our families.
Explanation: vVRSVRSVRS
6. How long can a 1500W heater be on before using more than 12 kWh of energy?
Answers
Answer:
8 hours
Explanation:
Time can be found by dividing quantity by rate:
(12 kWh)/(1.5 kW) = (12/1.5) h = 8 h
The heater can be on for 8 hours.
What disadvantages can a resort come across
Answers
Answer:
the disadvantages can be people's thoughts about them and also a rival resort nearby which looks more posh pls mark brainliest i need 5 more for next rank thank you
Explanation:
a(n) ? is any transformer in which the primary and secondary circuits have a portion of their two windings in common.
Answers
A auto transformer is any transformer in which the primary and secondary circuits have a portion of their two windings in common.
What is transformer?
A transformer is a passive part that moves electrical energy between circuits, whether they be single circuits or multiple circuits. The electromotive force (EMF) across any coils wound around the same core changes in response to changes in the current flowing through any one of the transformer's coils, which causes changes in the magnetic flux in the transformer's core. Without a metallic (conductive) connection between this same two circuits, electrical energy can be transferred between different coils. The 1831 discovery of Faraday's law of induction defines the induced voltage effect in any coil as the result of a fluctuating magnetic flux surrounding the coil.
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A chain fall locks it’s elevated load is place using
Answers
A chain fall locks it’s elevated load is place using an automatic brake.
A chain fall locks it’s elevated load is place using an automatic brake.
What is automatic brake?Automatic emergency braking (AEB) is a safety feature that may detect when a collision is likely to happen and automatically apply the brakes to either slow down the vehicle before impact or stop it altogether to prevent a collision.
Additionally, it found that injuries from these incidents decreased by 56%. Reverse automated braking systems have been associated with a 78% reduction in crashes when compared to vehicles that merely have a reverse camera.
In general, automatic emergency braking is intended to engage at highway speeds, provided the front collision warning sensors can identify the car in front of them. In towns, newer systems operate at slower rates.
Thus, an automatic brake.
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Warning danger ahead sign
Answers
Answer: okiiiii
Explanation:
Ok
Explanation
an 11.0-v battery is connected to an rc circuit (r = 5 ω and c = 8 μf). initially, the capacitor is uncharged. what is the final charge on the capacitor (in μc)?
Answers
The final charge on the capacitor is found to be 88 μC.
An 11.0-V battery is connected to an RC circuit (R = 5 Ω and C = 8 μF).
Initially, the capacitor is uncharged.
The final charge on the capacitor (in μC) can be found using the formula:
Q = CV
Where,
Q is the charge stored in the capacitor
C is the capacitance
V is the voltage across the capacitor
Given,R = 5 Ω and C = 8 μF, the time constant of the circuit is:
τ = RC= (5 Ω) (8 μF)
= 40 μS
The voltage across the capacitor at any time is given by:
V = V0 (1 - e-t/τ)
where V0 is the voltage of the battery (11 V)
At time t = ∞, the capacitor is fully charged.
Hence the final charge Q on the capacitor can be found by:
Q = C
V∞= C
V0= (8 μF) (11 V)
= 88 μC
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consider a solid circular cylinder with 100 mm length and 20 mm radius subjected to 1x106 nmm torque. the cylinder is made up of a linearly elastic material with shear modulus 10gpa. calculate a) polar moment f inertia b) the maximum shear stress in mpa c) the maximum shear strain
Answers
Question: Consider a solid circular cylinder with 100 mm length and 20 mm radius subjected to 1x106 nmm torque. The cylinder is made up of a linearly elastic material with shear modulus 10GPA. Calculate a) Polar Moment of Inertia, b) Maximum Shear Stress in MPa, c) Maximum Shear Strain.
Answer:
a) Polar Moment of Inertia can be calculated using the formula: I = (1/2) πr4.
For a solid circular cylinder with a radius of 20mm, the Polar Moment of Inertia would be 50,265.
b) Maximum Shear Stress can be calculated using the formula: τmax = T/J, where T is the applied torque and J is the Polar Moment of Inertia.
For this cylinder, the Maximum Shear Stress would be 19.84 MPa.
c) Maximum Shear Strain can be calculated using the formula: ε = τ/G, where τ is the maximum shear stress and G is the shear modulus.
For this cylinder, the Maximum Shear Strain would be 1.984.
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A structural component in the form of a wide plate is to be fabricated from a steel alloy that has a plane strain fracture toughness of 88 () and a yield strength of 710 MPa (51490 psi). The flaw size resolution limit of the flaw detection apparatus is 4 mm (0.1575 in.). (a) If the design stress is one-half of the yield strength and the value of Y is 1.07, what is the critical flaw length
Answers
Answer:
Critical Flaw Length=17.08 mm
The Critical flaw Length > 4mm, It means it is detectable.
Explanation:
Given Data:
Fracture Toughness=\(K_{tc}\)=88MPa
Yield Strength=σ=710 MPa
Y=1.07
Solution:
Formula:
\(Critical\ Length=\frac{1}{\pi } *(\frac{K_{tc}}{Y*\sigma} )^2\)
Since yield Strength is half, Critical Length will be:
\(Critical\ Length=\frac{1}{\pi } *(\frac{K_{tc}}{\frac{\sigma}{2} *Y} )^2\\Critical\ Length=\frac{1}{\pi } *(\frac{88MPa}{\frac{710MPa}{2} *1.07} )^2\\\\Critical\ Length=0.01708\ m\)
Critical Flaw Length=17.08 mm
The Critical flaw Length > 4mm, It means it is detectable.
A transformer is to be used to provide power for a computer disk drive that needs 6.4 V (rms) instead of the 120 V (rms) from the wall outlet. The number of turns in the primary is 300, and it delivers 500 mA (the secondary current) at an output voltage of 6.4 V (rms). (a) Should the transformer have more turns in the secondary compared to the primary, or fewer turns
Answers
Answer:
The secondary coil should have fewer turns compared to the primary coil.
Explanation:
\(N_p\) = Number of turns in primary coil = 300
\(N_s\) = Number of turns in secondary
\(V_p\) = Voltage in primary coil = 120 V
\(V_s\) = Voltage in secondary coil = 6.4 V
We have the relation
\(\dfrac{N_p}{N_s}=\dfrac{V_p}{V_s}\\\Rightarrow N_s=\dfrac{N_p}{V_p}\times V_s\\\Rightarrow N_s=\dfrac{300}{120}\times 6.4\\\Rightarrow N_s=16\)
The secondary coil has 16 turns which is less than the turns in the primary coil.
When the footing-and-wall-type foundation is used, ____ are used to provide intermediate support to the structure above.
Answers
When the footing-and-wall-type foundation is used, piers or columns are used to provide intermediate support to the structure above. A footing-and-wall type foundation is a type of shallow foundation that is suitable for the construction of small buildings.
It consists of a continuous footing that is supported by a wall. Piers or columns are used to provide intermediate support to the structure above. The foundation of any building must be able to support the load of the structure above.
Piers or columns are used to distribute the load of the building evenly across the foundation. These intermediate supports are installed at regular intervals to ensure that the weight of the building is evenly distributed. Piers or columns can be made from a variety of materials, including concrete, steel, and wood.
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if you want to withdraw $10000 at the end of two years and $35000 at the end of four years, how much should you deposit now into an account that pays 9% interest compounded annually?
Answers
Answer:
490000 dollars
Explanation:
The tailstock
a. is used to mount the lathe center
b. cannot be used for taper turning
C. is removed when long work must be turned
D. holds the inner end of the work being turned
Answers
(c) As Engineering and Computing students, you must be familiar, with the respective professional bodies, as well as, Rules of Practice, Professional Obligations and Codes of Ethics. Comment
Answers
The professional ethics for computer engineers are:
They will Contribute to society and to human well-being.They will Avoid harm.Be honest and trustworthy.They will be fair and take action that do to discriminate others.What are the Characteristics of Code of Ethics?The code of ethics are known to be a kind of a universal moral values, that is one that state that what a person expect of any given employee such as been trustworthy, respectful, responsible, and others.
Note that Rules of Practice, Professional Obligations and Codes of Ethics. are known to be put in place to avoid issues that may lead to conflict.
Therefore, i believe that As Engineering and Computing students, the respective professional bodies, Rules of Practice, Professional Obligations and Codes of Ethics are good and acts as a check and balance to us.
Therefore, The professional ethics for computer engineers are:
They will Contribute to society and to human well-being.They will Avoid harm.Be honest and trustworthy.They will be fair and take action that do to discriminate others.Learn more about Engineering rules from
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A 6-cm-diameter horizontal water jet having a velocity of 25 m/s strikes a vertical stationary
flat plate. The water splatters in all directions in the plane of the plate. ANALYZE the linear
momentum equation for a fixed control volume to find; the amount of force required to hold
the plate against the water stream? Take the density of water to be 1000 kg/m3
Answers
In this case, the control volume is the plate and the water jet is the system that is interacting with the plate. The density of water is given as 1000 kg/m3. The velocity of the water jet is 25 m/s and the diameter of the jet is 6 cm, which is equivalent to 0.06 m. The mass flow rate of the water jet can be calculated as follows:
Mass flow rate = Density * Velocity * Area
= 1000 kg/m^3 * 25 m/s * (3.14 * (0.06/2)^2)
= 0.11 kg/s
The momentum of the water jet is equal to the mass flow rate multiplied by the velocity of the jet. The force required to hold the plate against the water stream is equal to the rate of change of momentum of the jet.
Force = Rate of change of momentum
= Mass flow rate * Velocity
= 0.11 kg/s * 25 m/s
= 2.75 N
The accompanying specific gravity values describe various wood types used in construction. 0.320.350.360.360.370.380.400.400.40 0.410.410.420.420.420.420.420.430.44 0.450.460.460.470.480.480.490.510.54 0.540.550.580.630.660.660.670.680.78 Construct a stem-and-leaf display using repeated stems. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.)
Answers
Answer:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ \\ {0.3} & {\vert} & {2\ 5\ 6\ 6\ 7\ 8} \ \\ \\{0.4} & {\vert} & {0\ 0\ 0\ 1\ 1\ 2\ 2\ 2\ 2\ 2\ 3\ 4\ 5\ 6\ 6\ 7\ 8\ 8\ 9} \ \\ \ \\ {0.5} & {\vert} & {1\ 4\ 4\ 5\ 8} \ \\ \ \\ {0.6} & {\vert} & {3\ 6\ 6\ 7\ 8} \ \\ \ \\ {0.7} & {\vert} & {8} \ \ \end{array}\)
Explanation:
Given
\(0.32,\ 0.35,\ 0.36,\ 0.36,\ 0.37,\ 0.38,\ 0.40,\ 0.40,\ 0.40,\ 0.41,\)
\(0.41,\ 0.42,\ 0.42,\ 0.42,\ 0.42,\ 0.42,\ 0.43,\ 0.44,\ 0.45,\ 0.46,\)
\(0.46,\ 0.47,\ 0.48,\ 0.48,\ 0.49,\ 0.51,\ 0.54,\ 0.54,\ 0.55,\)
\(0.58,\ 0.63,\ 0.66,\ 0.66,\ 0.67,\ 0.68,\ 0.78.\)
Required
Plot a steam and leaf display for the given data
Start by categorizing the data by their tenth values:
\(0.32,\ 0.35,\ 0.36,\ 0.36,\ 0.37,\ 0.38.\)
\(0.40,\ 0.40,\ 0.40,\ 0.41,\ 0.41,\ 0.42,\ 0.42,\ 0.42,\ 0.42,\ 0.42,\)
\(0.43,\ 0.44,\ 0.45,\ 0.46,\ 0.46,\ 0.47,\ 0.48,\ 0.48,\ 0.49.\)
\(0.51,\ 0.54,\ 0.54,\ 0.55,\ 0.58.\)
\(0.63,\ 0.66,\ 0.66,\ 0.67,\ 0.68.\)
\(0.78.\)
The 0.3's is will be plotted as thus:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ {0.3} & {\vert} & {2\ 5\ 6\ 6\ 7\ 8} \ \ \end{array}\)
The 0.4's is as follows:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ {0.4} & {\vert} & {0\ 0\ 0\ 1\ 1\ 2\ 2\ 2\ 2\ 2\ 3\ 4\ 5\ 6\ 6\ 7\ 8\ 8\ 9} \ \ \end{array}\)
The 0.5's is as follows:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ {0.5} & {\vert} & {1\ 4\ 4\ 5\ 8} \ \ \end{array}\)
The 0.6's is as thus:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ {0.6} & {\vert} & {3\ 6\ 6\ 7\ 8} \ \ \end{array}\)
Lastly, the 0.7's is as thus:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ {0.7} & {\vert} & {8} \ \ \end{array}\)
The combined steam and leaf plot is:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ \\ {0.3} & {\vert} & {2\ 5\ 6\ 6\ 7\ 8} \ \\ \\{0.4} & {\vert} & {0\ 0\ 0\ 1\ 1\ 2\ 2\ 2\ 2\ 2\ 3\ 4\ 5\ 6\ 6\ 7\ 8\ 8\ 9} \ \\ \ \\ {0.5} & {\vert} & {1\ 4\ 4\ 5\ 8} \ \\ \ \\ {0.6} & {\vert} & {3\ 6\ 6\ 7\ 8} \ \\ \ \\ {0.7} & {\vert} & {8} \ \ \end{array}\)
4.r-134a at 320 kpa and 40 c undergoes an isothermal process in a closed system until its quality is 45 percent. determine how much work and heat transfer are required per mass.
Answers
Work and heat transfer are required per mass IS 40.6 kJ/k, 130 kJ/k for a r-134a at 320 kpa and 40 c undergoes an isothermal process in a closed system until its quality is 45 percent
A refrigerant experiences a problem with this query. a structured procedure in a closed system up until 45% quality in isothermal . We need to figure out how much heat transfer and effort are needed. Therefore, the equation Q equals two T provides the transfer for this keep. toward delta S. And the energy balance of a closed system is used to calculate the necessary work. E is that. The value of system will be e. Delta U will be equal to internal minus E out. Q less than w, out. He completed that portion, but we still need to calculate the entropy and internal energy one. They are all 1 34 a.when three 20 kilogramme paschals are given pleasure and the temperature is 40 °C. The entropy will thus be 1.452 kg jule paul, Casey kelvin according on table 8–13. and You will have an internal energy of 261.62 kg. What give you right now? We must ascertain the water and apple combination standards. Table 8 11. Temperature B should be set at 40°C and quality X should exactly equal 0.45. Entropy will then equal sf + X when taken as two from this point. the S F G. It will be equivalent to 0 39493 + 0.45 into 0.5 059 (zero point 39493). This will weigh 0.6-9-9 kilogrammes of juice. kz kelvin, please.The combined internal energy of the two of you will be Uf + X into U F G. which will be 107.39 plus 0.45 plus two = 107.39 + 0.45 + 2 = 43.61. It weighs 172 102 kg, Paul Casey. T into S one minus S two, which equals 313 into 1.452 minus 0.6 to 9 to zero, will now provide the heat transfer coefficient Q out. Thus, this will be 130 kZ. The amount of effort necessary will therefore equal U two less human plus Q out. It will be equivalent to 172.02 + 61.62 plus 13.1 in total. This comes out to 40.6.Recognize June But daisy and Q two out is equivalent to 1 30.2 kg Jewel park Az Joon Park Az, who weighs 40.6 kg, is the blue. So, here is the outcome.
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what is in gorilla glue
Answers
Answer:
glue
Explanation:
Consider a Rankine cycle with reheat using water (steam) as the working fluid. Saturated liquid at 100C exits the condenser. The fluid exits the boiler at 6500C, 20000 kPa. The cycle uses a single reheater with operating pressure 200 kPa and exit temperature 5000C. The mass flow rate of water (steam) in the cycle is 40 kg/s. The operation of the turbines and pump are adiabatic and have isentropic efficiency 0.90. As usual, neglect pressure losses in piping, boiler, reheater, and condenser. Compute: quality at the exit of the high-pressure turbine.
Answers
A pulse-jet baghouse is desired for a finished cement plant. Calculate the number of bags required to filter 500 m3/min of air with a dust loading of 3.0 g/m3. Each bag is 3.0 m long with a 0.13 m diameter. If the average pressure drop is 1.0 kPa and the main fan is 60% efficient, calculate the fan power in kW. If the pulse air volumetric flow rate is 0.5% of the filter airflow rate and the pulse air pressure is 6.0 atm, calculate the power drawn by a 50% efficient compressor (in kW).
Answers
Answer:
1) 4.41 * 10^-4 kw
2) 2.20 * 10^-4 kw
Explanation:
Given data:
Filter = 500 m^3/min
dust velocity = 3g/m^3
bag ; length = 3 m , diameter = 0.13 m
change in pressure = 1 kPa
efficiency = 60%
1) Calculate the Fan power
First :
Calculate the total dust loading = 3 * 500 = 1500 g
To determine the Fan power we will apply the relation
\(n_{o} = \frac{\frac{p}{eg*Q*h} }{1000}\) = \(\frac{\frac{p}{(3*10^{-3})* 981*( 500/60) *3 } }{1000}\)
fan power ( \(n_{0}\) ) = 4.41 * 10^-4 kw
2) calculate power drawn
change in P = 6 atm = 6 * 10^5 pa
efficiency compressor = 50%
hence power drawn = 4.41 * 10^-4 kw * 50% = 2.20 * 10^-4 kw