The efficie as a machi Efficiency consumed True False

Q: With what speed does the crane left a 400 kg bale if the power supplied to the motor is 5 KW. The…

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Q: Eplain derivation law of conservation of energy.

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Q: 4. Determine What is the efficiency of a machine whose work output is 4 joules, and whose work Input…

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Q: Does the (a) efficiency and (b) effectiveness of a fin increase or decrease as the fin length is…

A: (a) The fin efficiency is given as the ratio of the heat transfer to the fin to the heat transfer to…

Q: used to lift a load of 1000N. Calculate A machine whose efficiency is 75% is a the effort put in to…

A: Ans:- Machine:- A machine is a device by means of which work can be performed easily or in a…

Q: 1.13 Apply the grid method to calculate the cost in U.S. dollars to operate a pump for one year. The…

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Q: Explain in practical terms why efficiency is defined as W/Qh?

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Q: What is its coefficient of performance?

A: Given:  Temperature of the refrigerator is -10.5∘C and the heat of the other environment is 60.0∘C…

Q: Efficiency

A: the values provided in the question are as follows- effort = 750n load = 4000 n no. of pulleys = 3…

Q: A hydraulic turbine has 85 m of elevation difference available at a flow rate of 0.25 m3/s, and its…

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Q: Suppose that an engine has 28% overall efficiency. Find how much work is done in a time interval in…

A: The efficiency is defined as the ratio of work done to the input heat.  η = WQin Where, W is the…

Q: What is the coefficient of performance?

A: Coefficient of performance (COP) of a refrigerator or air conditioner is defined as the ratio of…

Q: Give the Formula for Efficiency, Work Flow rate

A: Output is the total amount of useful work completed without accounting for any waste and spoilage.…

Q: A manufacturer states that their gear pump requires 0.85 hp to pump 9 gpm of oil (sg=0.90) with a…

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Q: 4. By using the 'sum of products' method determine the unsimplified expression for the output given…

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Q: The work (Jili) done by any nonconservative Lailas i öä) on a particle moving through an losed path…

A: Work done = force ×displacement

Q: An inclined plane 13 ft long is used to slide a 260 lb box up to a loading platform 5 ft above…

A: Free body diagram

Q: As a gasoline engine is running, an amount of gasoline containing 15,000J of chemical potential…

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Q: т mi is found to be 14 at a speed of 88. What is the expected fuel economy at a gal hr speed of 58mi…

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Q: Calculate the percentage error. The known value of k = 8.988 × 109. C² • Use the following equation…

A: We have to Calculate the percentage error. The known value of k=8.988×109N.m

Q: A certain hybrid vehicle has a fuel economy of 53mi/gal during city driving. What is this fuel…

A: Dear student The conversation of units is as follows: 1 miles = 1.609 km 1 gallon = 3.78541 L

Q: 1.13 Apply the grid method to calculate the cost in U.S. dollars to operate a pump for one year. The…

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Q: A coal-fired power plant operates at an efficiency of 38%. If the facility produces 6 TWh of…

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Q: if w= 3i - ĵ +5K and D=45-2K compute ūxw

A: The cross  product of the two vectors is given by  A→ × B→ = A B sinθ n^ where, n is the unit vector…

Q: 1. THE PITCH OF A JACKSCREW SHOWN IN FIGURE BELOW IS 0.3 CM AND HAS A LEVER ARM OF 60 CM LENGTH.…

A: Write the given values of this problem. Pitch distance of a jackscrew(P)=0.3 cm or 30 mLever…

Q: How do you conduct an experiment that determines the efficiency of an inclined plane?

A: As per the answering guidelines, we will be answering the first question only. Kindly post the…

Q: In the above problem energy flows from

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Q: A 60.5 kg mass is to be lifted 1.20 meters using a ramp that makes an angle of 9.75 degrees with the…

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Q: Ceiling

A: Given, Mass of the pendulum, mlength of the string, Lradius of the circular path, Rangle with…

Q: How is the combined pump–motor efficiency of a pump and motor system defined? Can the combined pump–…

A: The efficiency of a combined pump moto system is expressed as,

Q: A blender is rated 18,205 watt. How many horse power (hp) is it?

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Q: A new electric power plant has an efficiency of 37%. For every 100 barrels of oil needed to run the…

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Q: Dimitris car has a fuel efficiency of 21 miles per gallon. His tank is full with 12 gallons of gas.…

A: The gas-filled in the car, V(volume) = 12 Gallons Fuel efficiency, η = 21 miles per Gallon   Total…

Q: Find the dimension of the unknown 4' and 'B' in the equation vt = At | Bx where “v’is the velocity…

A: 1. v t = At2 + Bx2 The dimensions of A is given by  Dimensions of A = Dimensions of v/t = [LT-2]…

Q: If there is a 90 kg tub, what is the amount of work needed to move this from a unit onto a 1.0 m…

A: Given data: Mass (m) = 90 kg Height (h) = 1.0 m Required: Work done

Q: Solution for derivation of work dimension

A: Formula of work done is as follows: W=F·d…

Q: Calculate the work output if the efficiency is 87% and the mass at the input is 105kg at a distance…

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Q: It was found that the work does not depend on the final and initial values of V, P and T I) true 2)…

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Q: Geothermal energy uses the subsurface level of the earth to heat up water converting it to steam and…

A: Given: electricity produced Eout=789 Jefficiency η =46%

Q: If a load of 460N was lifted by an effort of 144 N. The distance by the effort is 60 m movement. The…

A: Load = 460 N Effort = 144 N distance moved by effort = 60 m distance moved by the load = 19 m