Answer:
C
Explanation:
Hydraulic systems can increase or decrease the force applied to them. To make the force larger, the pressure is applied to a larger area. For example, if a 100-N force is applied to the left cylinder in (Figure) and the right cylinder has an area five times greater, then the output force is 500 N.
What will be the volume of 1 L of liquid water at a pressure of 14.7 PSI if the pressure doubles and the temperature remains the same?
The volume of 1 liter of liquid water will remain unchanged when the pressure doubles and the temperature remains constant at 14.7 PSI.
The volume of a liquid, such as water, is generally considered to be almost incompressible. Therefore, when the pressure applied to a liquid increases while the temperature remains constant, the volume does not change significantly. This is known as the isochoric or constant volume condition.
In the given scenario, the pressure doubles from 14.7 PSI to 2 * 14.7 PSI = 29.4 PSI. However, since the temperature remains the same, the volume of the liquid water will not be affected. It will still be approximately 1 liter.
This conclusion is based on the fact that water is considered to be incompressible under ordinary conditions. In reality, there may be very small changes in volume due to the compressibility of water, but these changes are typically negligible and can be disregarded for most practical purposes.
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What is the amount of light reflected by an object?
A) Luminance
B) Reactivity
C) Reflectivity
D) Reluctance
Answer: C) Reflectivity
Explanation: The amount of light reflected by an object is referred to as its "Reflectivity". Therefore, the correct option is C) Reflectivity. Luminance refers to the brightness of a light source, while reactivity and reluctance are terms used in other fields of science and do not relate to the reflection of light.
Martin wants to compare the weather in Oregon with the weather in Virginia. He looks at a weather chart showing the weather in Oregon during November and a weather chart showing the weather in Virginia during April. He also finds a precipitation map for Oregon for July and a temperature map for Virginia for July. Will Martin be able to make a good comparison of the weather in the two states? Explain.?Martin wants to compare the weather in Oregon with the weather in Virginia. He looks at a weather chart showing the weather in Oregon during November and a weather chart showing the weather in Virginia during April. He also finds a precipitation map for Oregon for July and a temperature map for Virginia for July. Will Martin be able to make a good comparison of the weather in the two states? Explain?
Martin's ability to make a good comparison of the weather in Oregon and Virginia will be limited based on the available information.
1)Weather charts for different months: Martin is looking at a weather chart for Oregon in November and a weather chart for Virginia in April.
Since these charts represent different months, it's important to note that weather patterns can vary significantly between different seasons.
November in Oregon may have different weather conditions compared to April in Virginia.
Therefore, comparing these charts directly may not provide an accurate representation of the overall weather differences between the two states.
2)Precipitation map for Oregon in July: While Martin has a precipitation map for Oregon in July, this data does not align with the weather charts for November in Oregon and April in Virginia.
Comparing precipitation levels in July for Oregon with weather conditions in different months for Virginia would not yield a meaningful comparison.
3)Temperature map for Virginia in July: Similarly, the temperature map for Virginia in July does not correspond to the weather charts for November in Oregon and April in Virginia.
July temperatures in Virginia may differ from those in April, and comparing them to the November weather in Oregon would not provide a relevant comparison.
To make an accurate and meaningful comparison of the weather between Oregon and Virginia, it would be essential for Martin to gather data for the same months or similar timeframes.
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Which of the following is the most critical component of any structure?
O The framework
O The wall coverings
O The roof
O The foundation
Answer: It's foundation or framework I think not sure though.
As people enter the hotel and look at the ceiling, they see a huge chandelier whose lights enhance the carvings on the ceiling. Which structural element is preventing the chandelier from causing cracks on the roof?
The structural element that is preventing the chandelier from causing cracks on the roof is option B. plate.
What keeps a chandelier in place?It is firmly fastened to a wood block or joist. Make sure the ceiling box is rated to sustain your chandelier fixture as the most of them can support 50 to 75 pounds. Remove the present ceiling fan or light fixture.
Therefore, To hold it, The finest option is a heavy, robust chain that is split on the side (never on the bottom). There is a base plate on some chandeliers. The chandelier is bolted onto the base plate once it has been put on the ceiling.
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See options below
A column
B. plate
C beam
D. true
EL130 Unit 4 Trade Terms For each description listed, identify the term that the text best describes. These are your terms, you can only use one for each question. Strands, Splice, Termination, Connectors, Shielding, Connection, Reducing Connectors, Grooming, Drain Wire, Amperage Capacity Here are the questions below. 1. Because of thermal expansion and cold flow of aluminum, standard copper____________ cannot be safely used on aluminum wire. 2. Crimp-type_are used to connect two different sized wires. 3. For fire alarm cable to be effective the_______wire must be grounded. 4. A properly made________should last as long as the insulation on the wire itself. 5. A good electrical________should be mechanically and electrically secure. 6. Typically in instrumentation and control cable only one end is grounded and the ________at the other end is isolated by folding it back and taping over it. 7. Insulation particles can get trapped in the crimp joint and form the basis of a defective______________ 8. Poor craftsmanship in stripping and terminations can cause exposed _________,which are a safety hazard. 9. ______________the conductor ensures a proper fit in the crimp barrel. 10. Select the proper size terminal for the wire being terminated, to ensure that the___________ of the lug equals that of the conductor.
Answer:
Answers to the EL130 Unit 4 Trade Terms questions, with the term that best describes each description:
1. Because of thermal expansion and cold flow of aluminum, standard copper connectors cannot be safely used on aluminum wire.
2. Crimp-type reducing connectors are used to connect two different sized wires.
3. For fire alarm cable to be effective the drain wire must be grounded.
4. A properly made termination should last as long as the insulation on the wire itself.
5. A good electrical connection should be mechanically and electrically secure.
6. Typically in instrumentation and control cable only one end is grounded and the shielding at the other end are isolated by folding them back and taping over them.
7. Insulation particles can get trapped in the crimp joint and form the basis of a defective splice.
8. Poor craftsmanship in stripping and terminations can cause exposed strands, which are a safety hazard.
9. Grooming the conductor ensures a proper fit in the crimp barrel.
10. Select the proper size terminal for the wire being terminated, to ensure that the ampere capacity of the lug equals that of the conductor.
1. Termination
2. Reducing Connectors
3. Drain Wire
4. Connection
5. Connection
6. Connection
7. Termination
8. Strands
9. Grooming
10. Amperage Capacity
\( \: \)
hey will you be a friend to my best her name is alexzicancelperez she has only one friend and that me can please be her friend anyone
Newt leaves his house and rides toward the high school. Oh NO, he forgot to mail his college application. He
turns back, mails the package, and heads to school.
1) Total distance travelled by Newt during his entire trip is =1000m
His total relegation for his entire trip is =400m
2) Distance from A to B to A is =400m
relegation from A to B to A is =0m
3) Distance from B to C is =300m
relegation from B to C is =300m
4) Average speed of entire trip = 5 m/s
Average haste of entire trip =2 m/s
5) Average speed from A to B to A is 5 m/s.
Average velocity from A to B to A is 0 m/s.
6)Average speed from B to C is 5 m/s.
Average haste from B to C is 5 m/s.
What is Distance?
Distance is the sum of an object's movements, anyhow of direction. Distance can be defined as the quantum of space an object has covered, anyhow of its starting or ending position.
What is relegation?
The term" relegation" refers to a shift in an object's position. It's a vector volume with a magnitude and direction. The symbol for it's an arrow pointing from the original position to the ending place.
What is Velocity?
The primary index of an object's position and speed is its haste. It's the distance that an object peregrination in one unit of time. The relegation of the object in one unit of time is the description of haste.
What is average speed?
The overall distance the object covers in a given quantum of time is its average speed. A scalar value represents the average speed. It has no direction and is indicated by the magnitude.
Average speed of entire trip =\(\frac{\text{total distance covered}}{\text{total time taken}}=\frac{1000}{200}=5\,m/s\)
4) Average haste of entire trip =\(\frac{\text{total displacement covered}}{\text{total time taken}}=\frac{400}{200}=2\,m/s\)
5) Average speed from A to B to A is =
\(\frac{\text{ distance covered from A to B to A}}{\text{ time takenfrom A to B to A}}=\frac{400}{80}=5\,m/s\)
Average haste from A to B to A is =
\(\frac{\text{displacement covered from A to B to A}}{\text{time taken from A to B to A}}=\frac{0}{80}=0\,m/s\)
6) Average speed from B to C is =\(\frac{\text{ distance covered from B to C}}{\text{ time takenfrom B to C}}=\frac{300}{60}=5\,m/s\)
Average haste from B to C is =\(\frac{\text{displacement covered from B to C}}{\text{time taken from B to C}}=\frac{300}{60}=5\,m/s\)
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Question is uploaded into picture.
1. True/False The Pressure Relief valve maintains the minimum pressure in the hydraulic circuit
Which is true about the benefits of a safety and health program?
Answer:
Safety and health programs help businesses: Prevent workplace injuries and illnesses. Improve compliance with laws and regulations. Reduce costs, including significant reductions in workers' compensation premiums.
Which one of the following women won the American Mathematical Society Scatter Prize, a Clay Mathematics Institute Fellowship, and the Blumenthal Award in 2013? Sally Ride Amalie Noether Maryam Mirzakhani Clara Ma
Answer:
Option C, Maryam Mirzakhani, is the right answer.
Explanation:
Maryam Mirzakhani was a mathematician from Iran and a professor at Stanford University. Her main contribution can be seen in the "moduli spaces of Riemann surfaces" theory. For her contribution to mathematics, she has been awarded numerous awards. These awards include the "Ruth Lyttle Satter Prize in Mathematics, a Clay Mathematics Institute Fellowship, and the Blumenthal Award". She was the first Iranian women to receive the Fields Medal.
Which of the following examples demonstrate qualifications that are most helpful for Engineering and Technology careers? Check all that apply.
Corey is a good driver, and has never had an accident.
Jayson is persistent, and doesn’t give up until he has solved a difficult problem.
Keri has good customer-service skills for being pleasant with customers.
Cleo is good at negotiating prices of products she is purchasing.
Dudley’s creativity helps him in designing new products.
Marisol is good at learning new things quickly.
8. The two-stroke engine must still complete all four stages of operation-it just does this in two piston strokes instead of
O A. two
O B. four
OC. one
O D. three
Answer:
4
Explanation:
you are just doubling it
Answer:four
Explanation:
Oil system cleaning products should not use solvents problem
Products for cleaning oil systems without solvents may be preferred for a number of reasons. Environmental issues: Solvents, particularly those derived from petroleum, can have a negative impact on the environment.
Thus, If they are not disposed of correctly or if they unintentionally leak or spill while being used, they may contribute to soil and water contamination.
Health and safety: Solvents can be hazardous to the health of both their users and those nearby.
The respiratory system may become irritated by solvent vapours, and skin reactions or allergies may result from contact with the substance. The working environment for users may be safer with non-solvent-based goods.
Thus, Products for cleaning oil systems without solvents may be preferred for a number of reasons. Environmental issues: Solvents, particularly those derived from petroleum, can have a negative impact on the environment.
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Draw the six principal views of
the object whose pictorial
drawing is given in the figure
using both the first and third
angle projection systems. (use
1:1 scale)
FRONT
Explanation:
See what Challenge I completed on Ablo https://ablo.live/s/1/yIwE1xnX88zg0liSeC7njA
Ject the best answer for the question.
. In the drawing, Position 4 represents the
A. pump impeller.
B. venturi.
OC. discharge piping.
D. well casing.
Mark for review (Will be highlighted on the review page)
The question performs to be had a connection with a diagram of a water well plan. However, the diagram is not determined, making it impossible to correctly answer.
What is a Well System?In general, well systems include components like pour impellers (A), which move water through the tap; venturis (B), which constitute a pressure difference to draw water up; discharge high (C), which transports the excited water to its goal; and well casings (D), which wrap the drilled dent and prevent the collapse of the borehole obstruction.
Knowing the exact position of these components in the drawing hopefully necessary to supply a specific answer.
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If we apply an alternating voltage of 24 V to two inductive reactances connected in series, of 12 Ω of each one, what current circulates?:
a.No current passes
b.A short circuit occurs
c.1A
Answer:
I think the answer is B but if I am wrong please let me know thank you :)
a welder performance qualification test on 1" (25.4mm) thick plate. what range of base metal is the welder qualified to weld? How many tension specimens will be tested? And how many side bends will be tested?
A welder's accomplishment qualification test on an excellent" (25.4mm) thick plate determines their requirement range.
What does passing qualify the welder for?According to AWS D1.1 Structural Welding Code for Steel, passing this test qualifies them to bind base metals with thicknesses 'tween 0.5" (12.7mm) and 2" (50.8mm).
The qualification test requires two pressure specimens, that assess stiffness, and four side bend specimens, which judge ductility and healthiness.
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List 5 examples of non renewable resources
what are renewable resources
Answer:
.
Explanation:
Non renewable sorces are sources that can't be quickly replaced so Oil, Natural Gas, Coal, Tar Sand, and Uranium.
Renewable sources are those that can be replaced like Solar energy, Thermal energy, or Hydropower.
Answer:the examples of non-renewable resources are÷
1)fossil fuels like÷
i)Coal
ii)petrol
iii)kerosene
iv) lubricating oil
V) paraffin
The sources of energy which are inexhaustible and can be replacedas they have been used are called renewable sources of energy.
Explanation: fossil fuels are non renewable energy because they are the remaining parts of prehistoric plants and animals, which got buried deep inside the earth millions of years ago due to some natural processes and are used as the sources of energy in present days and they cannot be regained quickly and take millions of years to form only under very suitable conditions.
(Paraffin is used for manufacturing candles, books, polish, wax, Vaseline etc)
Describe Power Distribution and transmission process
Explanation:
Transmission and distribution refers to the different stages of carrying electricity over poles and wires from generators to a home or a business. The primary distinction between the two is the voltage level at which electricity moves in each stage.
What is the real reason of your existence?
Answer: whatever you want it to be.
Explanation:
There isn't a clear answer for good reason. Think back to jesus stuff about adam and eve and the place they lived in (eden, was it called) Before there was any (wsdom) people did whatever they wanted, ran around no clothes on and ate and played or whatevere. they just did what they wanted. There's the whole story of how there was a knowledge apple or whatever, and humans built their society (their own) to thrive. They thrived to keep living. In short, the reason we exist is whatever you want the reason to be. Y'know what they say, You choose your own destiny
Specific Fuel Consumption (SFC) is more favorable as a low value, which is the inverse of an automobile mileage efficiency value. Why is this?
The term "specific fuel consumption," or SFC, compares the amount of gasoline an engine uses to a particular force, like the amount of power it generates.
What is specific fuel ?
It enables comparisons between engines of various sizes to determine which is the most fuel-efficient. It enables manufacturers to identify the engine that will consume the least amount of gasoline while yet generating a lot of power.
SFC can take many different forms, but two of the most popular are TSFC (thrust specific fuel consumption) and BSFC (brake specific fuel consumption). According to TSFC, fuel consumption of an engine is compared to the engine's power or thrust production.
For instance, it is possible to analyze different airplane engines to determine which will deliver the highest thrust while consuming the least gasoline.
Therefore, The term "specific fuel consumption," or SFC, compares the amount of gasoline an engine uses to a particular force, like the amount of power it generates.
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Contractor Control Circuits
Answer: A contactor is an electrically-controlled switch used for switching an electrical power circuit. A contactor is typically controlled by a circuit which has a much lower power level than the switched circuit, such as a 24-volt coil electromagnet controlling a 230-volt motor switch
Is a contactor bad?The most common situation in contactor failures is contact sticking and coil burning. The reason for contact sticking; If more current is passed through the main power contacts than it can carry, the contacts will overheat after a while and the contacts may stick as a result of this warming.
No engine is perfectly efficient because?
A.society does not need efficient engines.
B.most fuel sources create environmental damage.
C.efficiency is not a goal in most engineering projects.
D.some energy will be lost to its surroundings when running.
Answer:
d
Explanation:
..............................
Which of the following statements correctly describes a class K9 fuse?
A Class K9 fuse is a type of fast-acting fuse that is commonly used in high current applications.
What is the Voltage rating?It has a voltage rating of up to 600 volts and can handle currents ranging from 70 to 400 amperes. The K9 fuse is designed to protect electrical equipment from short circuits and overloads by breaking the circuit quickly when an excessive current flows through it.
This type of fuse is commonly used in applications such as motor protection, transformer protection, and power distribution systems. It is important to select the correct type and rating of fuse to ensure proper protection of the equipment and safety of personnel.
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Choose the three questions that an engineer should ask himself or herself when identifying the need of a problem.
What is the goal?
What will a successful solution look like?
Which mathematical formulas do I need to investigate?
Will I have the weekend off?
What is it that the client expects me to accomplish?
Which continuing education course will I need?
Answer:
What is the goal? What will a successful solution look like? What is it that the client expects me to accomplish?
Explanation:
Answer:
What is the goal? What will a successful solution look like? What is it that the client expects me to accomplish?
Explanation:
A water turbine is to be designed to produce 27MW when running at 93.7 rev/min
under a head of 16.5m. A model turbine with an output of 37.5kW is tested under
dynamically similar conditions with a head of 4.9m . Calculate the:
a. model speed; b. scale ratio; c. assuming a model efficiency of 88%, estimate the volume
flow rate through the model; and d. if it is estimated that the force on the thrust bearing of
the full-size machine is 7.0GN , determine the bearing thrust of the model.
The Answers for the given question are as follow:
a. The model speed is approximately 31.62 rev/min.
b. The scale ratio is approximately 0.0417.
c. The estimated volume flow rate through the model is approximately 943.44 m^3/s.
d. The bearing thrust of the model is approximately 9.72 kN.
To calculate the required values for the water turbine model, we can utilize the concept of dynamic similarity.
a. To find the model speed, we can use the principle of geometric similarity, which states that the ratio of speeds is equal to the ratio of the square roots of the head. Thus:
Model speed = (√(Model head))/(√(Full-size head)) * Full-size speed
= (√4.9/√16.5) * 93.7 rev/min
= 31.62 rev/min
b. The scale ratio can be determined using the equation:
Scale ratio = (√(Model power))/(√(Full-size power))
= (√37.5kW)/(√27MW)
≈ 0.0417
c. To estimate the volume flow rate through the model, we can use the power equation:
Model power = (Model efficiency) * (Volume flow rate) * (Model head) * (Gravity)
37.5kW = 0.88 * (Volume flow rate) * 4.9m * (9.81m/s^2)
Solving for the volume flow rate:
Volume flow rate = 37.5kW / (0.88 * 4.9m * 9.81m/s^2)
≈ 943.44 m^3/s
d. To calculate the bearing thrust of the model, we can use the principle of force similarity:
Bearing thrust model = (Model power / Full-size power) * Full-size bearing thrust
= (37.5kW / 27MW) * 7.0GN
≈ 9.72kN
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Dampers dampers springs are used inside some valve spring to
A. retain valve stem seals.
B. keep the valve spring attached to the valve.
C. decreased valve spring pressure.
D. prevent valve spring surge.
Explain how metal is produced and turned into a product e.g. bed
Answer:
the metal is mined from mines and melted to make objects
What is the approximate time of death if the body temperature was 50°F?
The approximate time of death of a body whose temperature was 50°F = 48.6 hours
How to calculate time of death?The time of death is your by the forensic experts for investigation purposes.
The body loses 1 °F every one hour.
The human body is = 98.6*F
Therefore, to calculate the time of death of the body whose temperature is 50°F = 98.6 - 50
= 48.6 × 1 hour = 48.6 hours
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