A new electric power plant has an efficiency of 37%. For every 100 barrels of oil needed to run the turbine, how many are essentially lost as waste heat (in barrels of oil) to the environment?

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: 24. For a fuel cell with 2 MWAC, the HHV thermal input is 4.899 MWt, the electric, if we use…

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Q: An engine with an output of 249.0 W has an efficiency of 25.0 %. It works at 10.00 cycles/s. How…

A: It is given that the output power is 249.0W. It is the work done per second. This implies, 249.0 J…

Q: (a) If you want to construct a wind turbine in a location where taller structures are prohibited,…

A: 1. First of all we have to understand the turbine and the types of the turbines.   The turbine is a…

Q: A nuclear power plant has a power output (i.e. output to do useful work) of 1505 MW and operates at…

A: Output power (P) = 1505 MW efficiency = 21.1% flow rate of river (Q) = 1.15×106 kgs

Q: A freezer sustains a cold environment of -39°C and exhausts its heat at 38°C. Assume a Carnot cycle.…

A: The efficiency (η) of a Carnot cycle is given by: η=(Tc-Th)Tc Where:Tc is the temperature of the…

Q: 1. An engine with an efficiency of 0.2 absorbs 510 J of heat per cycle. (a) How much work does it…

A: Efficiency of an engine is defined as: Efficiency η=work performedheat absorbed…

Q: Photosynthesis converts less than 0.5% of incoming solar radiation into new phytomass. The best…

A: Annual harvest: 20 t/ha (ton per hectare)The energy density of dry wood: 18 GJ/t (gigajoules per…

Q: A separate engine operates with a hot reservoir temperature of 600 K and a cold reservoir…

A: Given  T1 =600 K And T2=300 K   Find the maximum efficiency.

Q: In each cycle of its operation, a heat engine expels 5,900 J of energy and performs 1,700 J of…

A: The amount of heat released or expelled by the engine, Qreleased = 5900 J The amount of work done by…

Q: Forty grams of water at 23°C is heated until it becomes vapor at 100°C. Calculate the change in…

A: Given:- The  mass of the water is m= 40 g  The initial temperature of the water is Ti = 23°C The…

Q: At a particular location, magma exists several kilometers below Earth's surface at a temperature of…

A: The efficiency of the heat engine is given as, e = 1 - (TC /TH ) = 1 - (288/1373) = 0.79

Q: Suppose a utility generates electricity with a 32% efficient coal-fired power plant that emits SO₂…

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Q: During each cycle of its operation, a certain gasoline engine consumes 500 joules of chemical while…

A: Write the given values with the suitable variables. Q1=500 JQ2=300 J Here, Q1 and Q2 are the heat…

Q: A steam turbine operates at a boiler temperature of 450 K and an exhaust temperature of 300 K. What…

A:

Q: 2.A refrigerator has a coefficient of performance equal to 6.00. The refrigerator takes in 110 J of…

A: For a refrigerator  Work done is given by W= Q1 - Q2 Q1  is the Heat expelled to the hot reservoir.…

Q: 1. A coal-fired power plant produces 9.00 × 1013 J of electrical energy in one day, and operates…

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Q: A 100 ohms resistor carrying current of 1 Amp is maintained at a constant temperature of 30°C by a…

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Q: A certain coal-fired power plant has a rated power capacity of P = 955 MW. The output of this plant…

A: As a general principle, the efficiency of a power plant working on a cycle is increased by…

Q: Two hundred joules of heat are removed from a heat reservoir at a temperature of 200 K. What is the…

A: Given data: The heat removed from a reservoir is: Q = 200 J The temperature at which heat is…

Q: 1. What is the efficiency of a steam engine if it absorbed an energy of 2.5 x 108 J from the boiler…

A:

Q: A certain coal-fired power plant has a rated power capacity of P = 850 MW. The output of this plant…

A: Given that :- Power capacity , P=850 MW  Output , W=0.26Q11

Q: As a gasoline engine is running, an amount of gasoline containing 13,600 J of chemical potential…

A: Given: Input energy, E=13600 J Work done, W=3400 J

Q: A certain engine extracts 1300 Jof heat from a hot temperature reservoir and discharges 700 Jof…

A:

Q: If 100 J of heat is added to a system so that the final temperature of the system is 400 K, what is…

A: Given: 100J of heat added to the system             Q = 100J             change in temperature is…

Q: The bulldozer for the DPWH road widening project at Koronadal City has a gasoline engine that takes…

A: Introduction: Concepts of Heat Engine: It is a thermodynamic engine works on a first law of…

Q: We know that not all fuel is burned in an internal combustion engine. Does this affect the engine…

A: Incomplete combustion is defined as the, while during a heat release process if all fuel is not…

Q: Consider a system of 2 6-sided dice where the sum of the dice is the macrostate. What happens to the…

A: Given data, Given a set of three 6 sided dices. Where, a microstate represents the event for that…

Q: Assume that the turbines at a coal-powered power plant were upgraded resulting in an improvement in…

A: Heat and work are two forms of energy. Heat transfers from high temperature region to low…

Q: 1. What is the efficiency of a steam engine if it absorbed an energy of 2.5 x 10*J from the boiler…

A: Given: heat absorbed Q1=2.5*108 Jheat rejected Q2 =1.5*108  J

Q: What is the difference between spark-ignition and compression-ignition engines?

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Q: 1. An engine with an efficiency of 0.2 absorbs 485J of heat per cycle. (a) How much work does it…

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Q: A power plant burns coal to produce pressurized steam at 554 K. The steam then condenses back into…

A: Given Data:High temperature Low temperature Output power To Determine:The rate of the heat removed…

Q: An engine is design to run at 72% of Carnot engine efficiency with high and low temperature of 798 K…

A: