A heat engine takes in 400 J of thermal energy and performs 100 J of work in each cycle. The efficiency of this engine is 4% 25% 40% 75% 100%

Q: A gasoline engine absorbs 2.9 kJ of heat and performs 0.7 kJ of mechanical work in each cycle. The…

A: Heat absorbed (Q)= 2.9 KJ = 2.9× 10³ J Work done (W)= 0.7 KJ = 0.7× 10³ J   We know that…

Q: During each cycle of its operation, a certain heat engine has a thermal energy input of 500 Joules,…

A: Given Heat given Q1 = 500 J Heat rejected to sink Q2 =160 J

Q: An ideal heat engine takes in heat from a reservoir at 380 °C and has an efficiency of 28%: If the…

A: In first case temperature of hot reservoir = 380 degrees

Q: A Carnot Engine has an efficiency of 50% and the temperature of its cold reservoir is 150 °G. Find…

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Q: Calculate the efficiency of a heat engine which takes in 7 million Joules of energy into the hot…

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Q: Calculate the efficiency of a heat engine which extracts 3 billion Joules of useful work when 10…

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Q: The entropy of a thermodynamic system in equilibrium is I zero 2 Always increasing 3 Always…

A: The entropy of a system can not decrease .

Q: It is impossible to construct a device that operates in a cycle and produces no effect other than…

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Q: an engine of a large ship does 430 MJ of work with an efficiency of 25% determine the amount of heat…

A: Since energy is conserved, the amount of energy used by the ship plus the amount of energy released…

Q: The basic energy transformation that takes place in all heat engines is (a) chemical to electric.…

A: The correct option is (e)

Q: The work ratio is defined as the ratio of A) positive work output to net work output B) net work…

A: Correct option is (b) i e  Net work output to positive work output

Q: A heat engine recevies 900 j of heat and releases 100 j of heat in each style. what is the…

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Q: An engine, operating with an efficiency of 0.225,  delivers 8.10 ✕ 105 J each minute. What is the…

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Q: A steam engine delivers 5.4×108 J of work per minute and services 3.6×109J of heat per minute from…

A: Given :W= 5.4 x 108JH= 3.6 x 109J

Q: A heat engine does 9,200 J of work per cycle while absorbing 22.0 kcal of heat from a…

A: The efficiency of the heat engine is defined as η=WQ×100% Here W is work done and Q is the heat…

Q: A solar energy based heat engine which receives 80 kJ of heat at 100 deg C and rejects 70 kJ of heat…

A: Heat absorbed = 80 kJ Temperature of hot reservoir = 100oC Heat rejected = 70 kJ temperature of cold…

Q: which is the example of a heat engine?   A. solar panels B. refrigerator C. automobile engine…

A: Question : Which is the example of a heat engine? A. solar panels B. refrigerator C. automobile…

Q: In the steam engine, the amount of heat is 4.18J and work is 2.0J, what is the change in internal…

A: Amount of heat, Q = 4.18 J Work, W = 2.0 J Change in internal energy of the system, ∆U = ?

Q: A heat engine operates with sink temperature 25° with the efficiency of 30%. By how many kelvins…

A: Given: The engine operates with sink temperature 25oC when it have an efficiency of 30%. To find:…

Q: A heat engine operates between two temperatures such that the working substance of the engine…

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Q: A heat engine operates with sink temperature 25° with the efficiency of 30%. By how many kelvins…

A: Given, here Temperature of Heat sink is TC and initial and final efficiencies are denoted as η1 and…

Q: gas enclosed in a chamber absorbs 949.70 J of heat and during the same time does 353.61 J of work on…

A: Heat absorbed = 949.70 J  Hence, heat added to system q = - 949.70 J Work done by system W = 353.61…

Q: The sum of all forms of mechanical energy of molecules in a thermodynamic system called O a.…

A: Answer Internal energy of thermodynamic system is the sum of all mechanical energies of all the…

Q: A heat engine takes in 1500 Joules of heat at 2000 K bad rejects 950 Joules of heat at 1000 K. Find…

A: heat input, QH = 1500 J  Hot reservoir temperature, TH = 2000 K heat rejected, Qc = 950 J  cold…

Q: A heat engine operates with sink temperature 25 degree with the efficiency of 30%.By how many…

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Q: In computing the thermal efficiency of a heat engine, which thermodynamic property does NOT need to…

A: The efficiency of a heat engine (Eff) is defined to be the engine’s net work output W divided by…

Q: lawn mower has a 6-horsepower engine (1 HP = 750 W). If the engine has an efficiency of 18%, and the…

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Q: 15.8.1. An automobile engine that burns gasoline has been. engineered to have a relatively high…

A: From the question it is given that:  Efficiency of automobile engine: η = 0.22 Fuel used in the long…

Q: The electric motor of a heat pump transfers energy as heat from the outdoors, which is at -5.0 C, to…

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Q: What is the efficiency of a Carnot engine operating as heat engine between two reservoirs at 500K…

A: The efficiency of the Carnot engine is 0.8.

Q: What is the change in entropy of 500 grams of steam at 110 degrees Celsius when it is condensed to…

A: Mass of steam = 500 gram = 0.5 kg. Temperature = 110°C Total heat required = Latent heat of…

Q: A freezer is used to freeze 1.0 L of water completely into ice. The water and the freezer remain at…

A: (a)The mass of the water in 1.0 L is,

Q: An engine working between 300 K and 600 K has work output of 800 J per cycle. The amount of heat…

A: Answer             a. 1600J

Q: The ideal efficiency for a heat engine operating between the temperatures of 430 degrees C and 27…

A: The correct answer is 57% i.e. option (A)

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

A: The given data are: TH=2500 KTL=300 K Here, TH denotes the higher temperature, and TL denotes the…

Q: A heat pump has a coefficient of performance of 4.6 . If the heat pump absorbs 30 J of heat from the…

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Q: Engine 1 has an efficiency of 0.18 and requires 5500 J of input heat to perform a certain amount of…

A: let efficiency of engine in fraction is given by  n  n = work doneheat input  = WHi W = WORK DONE…

Q: A Carnot engine has a thermal efficiency of 0.60. The temperature of the hot reservoir is 800 K and…

A: A Carnot engine has a thermal efficiency, η=0.60 The temperature of the hot reservoir, TH = 800 K…

Q: Consider an engine with efficiency of 25 percent. How much must the temperature of the hot reservoir…

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Q: A heat engine performs 483 J of work in each cycle and has an efficiency of 0.1. For each cycle, how…

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Q: In a reversible isothermal process of constant volume, the amount of heat absorbed by the system per…

A: Defination : Isothermal Process is a Thermodynamic Process in which their is no change in…

Q: What happens to the efficiency of a heat engine when the temperature of a reservoir into which…

A: Efficiency of heat engine can be given as:

Q: Enough heat flows into 41.0 kg of ice at 0 degrees C to melt it into water at 0 degrees C. The ice…

A: Given Data Mass of Ice m = 41 kg Latent heat of fusion L = 334,000 J/kg   Formula  The expression…

Q: a motor that absorbs 2500 J of heat while doing 1700 J of work. What is thechange in the motor’s…

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Q: A particular heat engine has a mechanical power output of 5.00 kW and an efficiency of 25.0%. The…

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