The design of the two dies in fig. 1 that is poor is the one on the left. There are two main reasons for this.
First, the design on the left has sharp corners, which can cause the molten metal to solidify prematurely and result in a casting with defects such as shrinkage porosity. In contrast, the design on the right has rounded corners, which allows for a smoother flow of molten metal and a higher quality casting.
Second, the design on the left has a smaller gate, which can result in a slower filling of the die cavity and potentially lead to incomplete or defective castings. The design on the right has a larger gate, which allows for a faster filling of the die cavity and a higher quality casting.
In conclusion, the design on the left is poor for die casting because of its sharp corners and smaller gate. The design on the right is a better option for die casting because of its rounded corners and larger gate.
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all conduit fabrication jobs begin with accurate measurements, ? , and ? . select one: a. calculations / markings b. calculations / proper bending tools c. investigation / material estimate d. markings / proper bending tools
a. calculations / markings. An essential component of the electrical profession is the manufacture of conduits. When done well, it can resemble a piece of art.
When carried out improperly, it may be against construction codes, result in equipment failures, and endanger the integrity of the entire electrical system. A conduit installed incorrectly may potentially prevent the passage of wire, rendering the entire system unusable.
All sizes and varieties of electrical conduits must be installed correctly and effectively, and this expectation extends to our apprentices and journeymen. Conduits can be bent using a wide variety of methods and equipment.
Both in the classroom and on the job, our apprentices receive training. We invest a lot of time learning and perfecting the skill of conduit manufacture and installation in order to prepare our apprentices.
To ensure that our employees are the best in the business, we have spent tens of thousands of dollars on the newest tools and equipment.
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all conduit fabrication jobs begin with accurate measurements, ? , and ? . select one: a. calculations / markings b. calculations / proper bending tools c. investigation / material estimate d. markings / proper bending tools. explain.
What is the main purpose of the alternater
Answer:
to keep the battery charged when the vehicle is running, it also helps the battery keep the electrical components in your vehicle charged
Explanation:
During the busy period of work on a maintenance shutdown, workers arrive at the safety engineer trailer at an average rate of 8 per hour, seeking welding permits. The safety engineer can issue a welding permit in an average of 6 minutes. Determine the average number of workers at the trailer (including the one whose permit is being worked on). Consider the trailer as the system we are analyzing. Group of answer choices
4 workers
3 workers
5 workers
6 workers
To determine the average number of workers at the trailer, we can use the M/M/1 queuing model, where arrivals follow a Poisson process and service times follow an exponential distribution.So, the correct answer is:2 workers
Given that workers arrive at an average rate of 8 per hour, the arrival rate (λ) is 8 per hour. The average service time (1/μ) is 6 minutes, which can be converted to hours by dividing by 60, resulting in μ = 1/10 per hour.
Using the M/M/1 queuing formula for the average number of workers (N) in the system:
N = λ / (μ - λ)
Substituting the values, we have:
N = 8 / (1/10 - 8) = 8 / (1/10 - 80) = 8 / (-79/10) = -80/79 ≈ -1.01
Since the number of workers cannot be negative, we take the absolute value, resulting in approximately 1.01 workers.
However, since the question asks for the average number of workers at the trailer, including the one whose permit is being worked on, we need to consider at least one worker. Therefore, we round up the result to the nearest whole number, which gives us an average of 2 workers at the trailer.
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Question 1 [10 Marks] In materials science, reinforcement is a constituent of a composite material which increases the composite's stiffness and tensile strength. How will you design a reinforcement material that is made of ceramic matrix. Also give the reasons why you chose that specific material.
Note as far as material science is concerned, that to create a ceramic matrix reinforcement material, I would use a ceramic material with high strength and stiffness such as silicon carbide.
Why is this so?This is because it has a high melting point.
I would next use chemical vapor deposition or melt spinning to convert the ceramic material into a fibrous shape, resulting in a fibrous ceramic matrix composite.
Because of the intrinsic qualities of the ceramic matrix, the resultant composite would have high stiffness and tensile strength, making it perfect for applications requiring great strength and endurance, such as aerospace or automotive components.
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In what way do the 2-4-12 second visual leads apply?
The 2-4-12 second visual leads explain the time duration for delivering vital information in a movie or presentation, with 2 seconds for attention-getting, 4 seconds for the main message, and 12 seconds for details.
What are the visual leads at two, four, and twelve seconds?These three "lead times" are conceivable. the 4-second immediate path, the 12-second predicted path, and the 2-second following distance. The 2-second following distance serves as the beginning lead-time. When everything is perfect, that distance is regarded as the minimum.
The 12 second rule is what?To avoid colliding with such things, the Department of Motor Vehicles recommends all motorists to adhere to a single regulation. It advises motorists to scan the road at least 12 seconds in advance.
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What time ----–- the train arrve?
Implement a program that manages shapes. Implement a class named Shape with a method area() which returns the double value 0.0. Implement three derived classes named Rectangle, Square, and Circle. Declare necessary properties in each including getter and setter function and a constructor that sets the values of these properties. Override the area() function in each by calculating the area using the defined properties in that class.Using Java to write a program that repeatedly shows the user a menu to create one of the three main shapes or to print the shapes created so far. If the user selects to create a new shape, the program prompts the user to enter the values for the size of the selected shape. The shape is then stored in an array. If the user selects to print the current shapes, print the name and the total area of each shape to the console.Hint: You may limit the size of the array to 10.
Answer:
Explanation:
The following code was written in Java. It creates classes for each one of the shapes requested and includes all of their variables and the area method, as well as a toString method. Then in the main method, the menu is created which allows the user to enter the shape that they want and if they decide to exit it will print out every shape within the shapes array. Due to technical reasons I have added the code as a txt file below and in the picture you can see the output.
Scientists were surprised by which thing found in Ötzi the Iceman's stomach, and why?
Answer:
Scientists were surprised to find that Ötzi the Iceman's stomach contained remnants of red deer meat, as it had been previously assumed that his diet consisted primarily of plants. This finding provided new insights into the dietary habits of Copper Age Europeans and challenged previous assumptions about their reliance on agriculture. Additionally, the presence of the red deer meat in Ötzi's stomach suggested that he had eaten a last meal that was high in fat and protein, which may have provided him with the energy needed for his fateful journey through the Alps.
Answer:
Ötzi the Iceman was a well-preserved mummy found in the Italian Alps in 1991. One of the most interesting things about his remains was the discovery of his last meal. Analysis of his stomach contents showed that he had recently eaten a meal of ibex meat, a type of wild goat that lived in the region, and a type of ancient bread made from einkorn wheat. What surprised scientists was the presence of the ibex's stomach contents in Ötzi's stomach. They discovered that Ötzi had eaten the ibex meat raw, with no signs of cooking. This was surprising because it was previously believed that prehistoric humans only ate meat that had been cooked over fire. The discovery of the raw meat in Ötzi's stomach suggested that prehistoric humans may have eaten raw meat more often than previously thought and that cooking food may not have been as prevalent in ancient societies as previously believed.
how hardness of mineral can be identify
Answer:
ANS DOWN BELOW! PLS MARKN AS BAINLIEST
Explanation:
hardness of a mineral is determined by observing whether its surface is scratched by a substance of known or defined hardness.
On an engine with a separate fuel injector for each cylinder, cylinder power balance tests may involve:
On an engine with a separate fuel injector for each cylinder, cylinder power balance tests may involve measuring and comparing the power output of each individual cylinder by temporarily disabling the fuel injector for that specific cylinder. This helps identify any discrepancies in performance or potential issues within the engine.
On an engine with a separate fuel injector for each cylinder, cylinder power balance tests may involve checking the fuel injector function and fuel flow to each cylinder. The power balance test is a diagnostic procedure used to determine if each cylinder is producing the same amount of power as the other cylinders. This test is important in detecting any problems with individual cylinders, such as a faulty fuel injector, which can cause the engine to run poorly or even fail. By checking the fuel injector function and fuel flow to each cylinder, the technician can determine if any adjustments or repairs are necessary to ensure proper engine performance.
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what benefit is a reduced time lost in Osha
It is to be noted that in OSHA, reducing time lost due to injuries and accidents can lead to increased productivity and efficiency, improved financial performance, and better employee morale and retention.
What is OSHA?The Occupational Safety and Health Act of 1970 established the Occupational Safety and Health Administration (OSHA) to safeguard employees' safety and health by creating and enforcing standards and providing training, outreach, information, and support.
Reducing time lost due to injuries and accidents can have a number of advantages for a business. By reducing injuries and accidents, a firm may save time and money on absenteeism, medical care, and workers' compensation claims. This can lead to enhanced production and efficiency, which can contribute to better financial performance.
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an adiabatic compressor receives 1.5 meter cube per second of air at 30 degrees celsius and 101 kpa. The discharge pressure is 505 kpa and the power supplied is 325 kW, what is the discharge temperature
Answer:
The discharge temperature is 259.82 K
Explanation:
In this question, we are concerned with calculating the discharge temperature
Please check attachment for complete solution
According to the hierarchy of hazard control, what sequence is specified for protecting workers from chemical hazards? assume that 1 is the safest method and 5 is the least safe method.
When we assume that 1 is the safest method and 5 is the least safe method will be PPE 5.
What are the 5 hierarchy of control?The five steps of the Hierarchy of Controls are|:
Elimination 1Substitution 2Engineering Controls 3Administrative Controls 4PPE 5Therefore, When we assume that 1 is the safest method and 5 is the least safe method will be PPE 5 as it is the last of the steps.
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For proper function hydraulics systems need a reservoir of which of the following?
A.) Compressible fluid
B.) Non-compressible fluid C.) Non-compressible air
design process 8 steps with definition
Answer:
Step 1: Define the Problem.
Step 2: Do Background Research. .
Step 3: Specify Requirements. .
Step 4: Brainstorm, Evaluate and Choose Solution.
Step 5: Develop and Prototype Solution.
Step 6: Test Solution.
Step 7: Does Your Solution Meet the Requirements?
Step 8: Communicate Results.
can u tell me the definition tho?
palled correctly as “though” which is an alternate form of “although”) at the end is informal usage. It's better placed before “she seems better today
is the term used when a vehicle body is mounted on a rigid frame or chassis.
Select one:
Oa. Frame-to-body
Ob. Body-on-frame
Oc. Body-on-chassis
Od. Frame-to-chassis
Answer:
B. body on frame
Explanation:
The following true stresses produce the corresponding true strains for a brass alloy during tensi plastic deformation, which follows the flow curve equation δ = Kεⁿ
True Stress (MPa) 345
455 True Strain
0.10 0.24 What is the value of n, the strain-hardening exponent?
We are given the following values for a brass alloy during tensi plastic deformation as follows: True Stress (MPa) = 345 455 True Strain = 0.10 0.24. The formula for the flow curve equation is given as δ = Kεⁿwhere n is the strain-hardening exponent.
We know that the flow curve equation is given by σ = k ε^nTaking log of both sides, we have log σ = n log ε + log k For finding the value of n, we can plot log σ against log ε and find the slope. Then, the slope of the line will be equal to n since the slope of log σ vs log ε is equal to the strain-hardening exponent (n).On plotting the log values of the given data, we obtain the following graph. Now, we can see from the above graph that the slope of the straight line is 0.63.
The value of n, the strain-hardening exponent is 0.63.Therefore, the required value of n is 0.63.
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You have been asked to participate as an “Engineer in Training” in the design and construction of a nuclear power plant. You will be working in a team of 10 design engineers. Some of the engineers are experienced and capable nuclear plant designers.
a) Is the use and development of nuclear power plant ethical? Explain(5 marks)
b) Can you participate in the design of such a plant without any previous experience?(5 marks)
a. Yes, because you will be working in a team of 10 design engineers and take note some of them are experienced and capable nuclear plant designers.And from what i have learn about engineers, they can't be called engineers for nothing.All you have to do is trust yourself and your team.
b.Of course i cannot but because i have my team (10 design engineers) i know i can do a great job and they are experienced in this stuff so i am confident that i can participate and can make a good job and even if i do not have any experience i know i will learn from them.I can call this assignment as my experience right?
Nuclear power plants uses nuclear fuels as a source of energy.
A nuclear power plant is a power generating plant that makes use of nuclear fuels as a source of energy for power generation. This means of power generation has the advantage that 1 g of nuclear fuel can be used for several years.
On the downside, this means of power generation is prone to hazards such as nuclear explosions and radioactive fallout. This means of power generation is ethical as long as all the safety standards are followed.
I can participate in such a design as a trainee engineer without any previous experience because participating in such project is a huge learning opportunity for me.
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what feature eliminates the need for a separate electrical outlet for your wap?
The PoE feature eliminates the need for a separate electrical outlet for your wireless access point (WAP).
What is a wireless access point (WAP)?A wireless access point (WAP) is a device that connects wireless devices to a wired network. Wireless devices, such as smartphones and laptops, use a wireless access point to connect to a wired network.
The WAP allows wireless devices to communicate with each other and with the wired network by transmitting wireless signals.
PoE, or Power over Ethernet, is a technology that allows network cables to carry electrical power. In other words, it is a system that allows a single Ethernet cable to provide both data and electrical power to a device.
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The Power over Ethernet (PoE) feature eliminates the need for a separate electrical outlet for your Wireless Access Point (WAP). With PoE, power is transmitted over Ethernet cables along with data.
This means that a single Ethernet cable can provide both data connection and power to the WAP, making installation and maintenance easier.
This feature is especially useful in locations where there are limited electrical outlets or where electrical wiring is difficult or expensive to install, such as in outdoor areas, warehouses, and remote locations. PoE also allows for greater flexibility in the placement of WAPs, as they can be installed in locations that are not near electrical outlets. In addition, PoE can help to reduce energy costs, as it allows for more efficient use of power by eliminating the need for separate power supplies for each device. Overall, the PoE feature provides a cost-effective, efficient, and convenient way to power WAPs and other network devices.
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how would the discharge of the river change if its channel depth decreased to 1ft, its width stayed at 10ft, and its flow velocity increased to 9 ft/sec? justify your answer.
The new discharge may remain roughly the same or could even increase slightly, depending on the exact values of width, depth, and velocity.
The discharge of a river is the volume of water that passes through a given cross-section of the river per unit of time. It is calculated as the product of the cross-sectional area of the river channel (width times depth) and the flow velocity.
Discharge (Q) = Width (W) × Depth (D) × Velocity (V)
Given the following changes:
Channel depth (D) decreased to 1 ft
Width (W) stayed at 10 ft
Flow velocity (V) increased to 9 ft/sec
The new discharge (Q') can be calculated as:
Q' = W × D' × V'
Where D' is the new channel depth of 1 ft, and V' is the new flow velocity of 9 ft/sec.
An incompressible fluid, like the water in a river, has a constant mass flow rate along a streamline according to the fluid mechanics principle of continuity. This means that, in the absence of external forces, the product of the cross-sectional area and the flow velocity is constant. Here, we make the assumption that the river is in a stable state and that no outside factors are changing its flow.
When the channel depth (D) decreases to 1 ft, but the width (W) stays the same at 10 ft, the cross-sectional area (W × D') of the river decreases. However, the flow velocity (V') increases to 9 ft/sec.
As a result, if the continuity principle is valid, the decline in channel depth is balanced by the rise in flow velocity. This indicates that depending on the precise values of breadth, depth, and velocity, the new discharge (Q') may either stay nearly the same or perhaps significantly rise.
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Starting from the appropriate momentum and energy differential equations, evaluate the Nusselt number for both surfaces (Nu1 and Nu2) of a parallel-planes duct in which there is fully developed laminar flow (both velocity and temperature developed) and in which there is heating from both surfaces but the heat flux (energy/area.time) from the bottom surface is twice the heat flux from the top surface. The heat-transfer rate per unit of duct length is constant. Neglect body/gravitational forces, dissipation and axial conduction.
Nu= hDh / k, Dh = 4 rh, rh = cross-sectional (Ac) / Perimeter, q = h (Tw-Tm)
In contrast to turbulent flow, in which the fluid experiences random fluctuations and mixing, laminar flow, also known as streamline flow, is a type of fluid (gas or liquid) movement in which the fluid travels smoothly or along regular patterns.
Thus, The velocity, pressure, and other flow characteristics at every location in the fluid are constant in laminar flow.
One way to conceptualize laminar flow over a horizontal surface is as tiny layers, or laminae, that are all parallel to one another.
All other layers slide over one another, but the fluid in contact with the horizontal surface remains immobile. To use a loose comparison, imagine how a deck of fresh cards might "flow" laminarly
Thus, In contrast to turbulent flow, in which the fluid experiences random fluctuations and mixing, laminar flow, also known as streamline flow, is a type of fluid (gas or liquid) movement in which the fluid travels smoothly or along regular patterns.
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Draw a sinusoidal signal and illustrate how quantization and sampling is handled by
using relevant grids.
Animation can occur before an action
Answer:Animation can occur before an action. Prepares the audience for the action. ... A pose or action should clearly communicate to the audience the attitude, mood, reaction or idea of the character. The effective use of long, medium or close up shots, as well as camera angles helps tell the story.
Explanation:May i have brainlist plz only if u wanna give me brainlist though have an nice day and stay safe.
1. How many board feet in piece of Oak that is 1" thick 6" wide and 8' long?
Answer:
4
Explanation:
A "board foot" is 1/12 of a cubic foot. It is the volume of a board 1" thick and 1 foot square.
Here, the board is 1" thick, so the number of board feet is numerically equal to the number of square feet of area it has.
(1/2 ft)(8 ft) = 4 ft²
The number of board feet is 4.
while examining a valve spring from an engine that is being overhauled, technician a says that valve springs should be checked for free length and cracks. technician b says the spring should be checked for compressed spring pressure, nicks, and straightness. who is correct?
A thin calibrated plastic strip serves as a plastic gauge. It can be used to measure gaps and monitor bearing clearance.
It is utilized at locations on crank or connecting rod bearings where a micrometer measurement cannot be made quickly. Compression braking, commonly referred to as engine braking, is a technique that can be applied to bigger commercial vehicles. The procedure is a little different, and a Jacobs brake (also known as a jake brake), which is designed specifically for diesel engines, aids in the procedure. Despite being sufficiently flat, bearings cannot be reliably measured with calipers; a micrometer is required. Although there are specialized micrometers available for measuring rounded interior surfaces, you are not required to own one.
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A 30*30 cm cross section concrete pile with length of 18 m, the carrying capacity of the pile at
the pile tip is 9445 KN/m2 and the average unit skin resistance is 25 kN/m2. The ultimate load
carrying capacity of this pile is:
Select one:
0 2231 KN
2111 KN
1390 KN
1300 KN
Answer:
b
Explanation:
Trust me. I am not the smartest though...
The new ASTM standards for footwear, specified that it should
The new ASTM standards for footwear specified that it should have a specified portion that will be with respect to the standard.
What are ASTM standards?ASTM guidelines are formal, specialized prerequisites that lay out quality details for a great many materials, items, frameworks, and administrations; they act as the reason for assembling, obtainment, and administrative exercises around the world. ASTM represents American Culture for Testing and Materials.
All footwear made to the ASTM detail should be set apart with the particular piece of the norm with which it agrees. One shoe of each pair should be obviously and clearly set apart on either the outer layer of the tongue, gusset, or quarter lining.
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what ia the value of the wod HEX begining at address 414 if the machine is Little Endian? Big endian
Answer:
hello your question is incomplete attached below is the complete question
Given you have a . 24 bit CPU The contents of memory are Address 412 413 Value0x120x34 Ox56 0x78 0x9A OxBC OxDEOxF1 0x23 414 419 418 420 415 416417 What is the value of the word in HEX beginning at address 414 if the machine is Little Endian? If it is Big Endian? Write your answer in HEX . Hex digits that are alphabetical should be written in uppercase For example A and not a Make sure that Ox appears at the beginning of your answer Do not put whitespace in your answer
Answer: Little Endian: 0x9A7856.
Big Endian: 0x56789A.
Explanation:
Given data :
24 bit CPU ( size of each word = 24 bit )
next we have to determine how many bytes are contained in each 24 bit word
= 24 / 8 = 3 bytes
with this information a word in Hex beginning at 414 will end at 416
when we use the Little Endian representation the last byte of the binary representation which is 416 will be stored first followed by 415 and then 414
hence the word beginning at 414 using little Endian = 0x9A7856.
For Big Endian the process is vice versa
Hence the word beginning at 414 using Big Endian = 0x56789A.
when analyzing transients in dc-powered circuits, an uncharged capacitor is replaced with [ select ] in the initial stages and with [ select ] in the dc steady-state
When analyzing transients in DC-powered circuits, an uncharged capacitor is replaced with a short circuit in the initial stages and with an open circuit in the DC steady-state.
When analyzing transient behavior in DC-powered circuits, capacitors are often treated as either short circuits or open circuits depending on the stage of the circuit's operation.
Initially, an uncharged capacitor is treated as a short circuit because it presents low impedance to the incoming DC voltage, allowing current to flow and quickly charge up the capacitor to the source voltage.
As the capacitor charges, its impedance decreases, behaving like a short circuit. However, once the capacitor reaches its maximum charge in the steady-state, it behaves as an open circuit, blocking any further DC current from passing through.
Treating the capacitor as an open circuit in the steady-state simplifies the circuit analysis, as it effectively isolates the DC source from the rest of the circuit.
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If a restriction clears up when the system is turned off and allowed to warm, the restriction was probably due to:
A) Acid. B) Noncondensables. C) Carbon. D) Moisture.
If a restriction clears up when the system is turned off and allowed to warm, the restriction was probably due to: D) Moisture.
When a system is turned off and allowed to warm, any moisture present in the system will evaporate or dissipate. Moisture can cause restrictions in the system by freezing or forming ice in the refrigerant lines or components. When the system is turned off and the temperature rises, the ice melts and the restriction is cleared. Therefore, if the restriction clears up when the system is allowed to warm, moisture is the likely cause of the restriction.
The purpose of submittals is to provide detailed information about the proposed materials, products, equipment, or systems that will be used in the construction project. This information includes product data, samples, shop drawings, technical specifications, and other relevant documentation.
By reviewing submittals, the owner and architect can verify that the proposed materials and equipment align with the project requirements, design specifications, and quality standards. They can confirm that the selected products will perform as intended and meet the desired aesthetic, functional, and performance criteria.
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