What is the theoretical maximum efficiency of a heat engine operating between 120∘C and 430∘C? (Express your answer to two significant figures.)
Temperature T1= 430 0C=603K
Temperature T2= 120 0C=393K
Efficiency of heat engine
so that
Efficiency in %= 34.82%
What is the theoretical maximum efficiency of a heat engine operating between 120∘C and 430∘C? (Express...
What is the maximum efficiency of a heat engine operating between 491 K and 228 K? Record your answer to the nearest percent.
A heat engine operating between 30°C and 450°C has 22 % of maximum possible efficiency. If its power output is 125 kW, at what rate does the engine absorb heat?
A nuclear power plant operates at 67 % of its maximum theoretical (Carnot) efficiency between temperatures of 690 ∘C and 360 ∘C. If the plant produces electric energy at the rate of 1.3 GW , how much exhaust heat is discharged per hour? Express your answer using two significant figures.
A certain heat engine operating on a Carnot cycle absorbs 370 J of heat per cycle at its hot reservoir at 145 degree C and has a thermal efficiency of 24.0% By how much does the engine change the entropy of the world each cycle? Express your answer to two significant figures and include the appropriate units. What mass of water could this engine pump per cycle from a well 25.0 m deep? Express your answer to two significant figures...
A heat engine operating between energy reservoirs at 20 deg C and 620 deg C has 26 % of the maximum possible efficiency. How much energy must this engine extract from the hot reservoir to do 1200 J of work?
What is the Carnot efficiency (in percent) of a heat engine operating between the temperatures of 375°C (648 K) and 135°C (408 K)?
A heat engine operates between a high temperature of about 600?C and a low temperature of about 300?C. What is the maximum theoretical efficiency for this engine? A heat engine operates between a high temperature of about 600 and a low temperature of about 300. What is the maximum theoretical efficiency for this engine? A) =100%. B) ?66%. C) ?50%. D) ?34%. E) Cannot be determined from the given information.
Problem 15.30 A heat engine uses a heat source at 550 °C and has an ideal (Camot) efficiency of 29% Part A To increase the ideal efficiency to 46 %.what must be the temperature of the heat source? Express your answer using two significant figures. VAX RO? TH- Submit Request Answer
7. A heat engine has one-third the thermal efficiency of a Carnot engine operating between temperatures of 90 °C and 410 °C. If the heat engine absorbs heat at a rate of 54.0 kW, at what rate is heat exhausted?
Your company has a heat engine that operates at the theoretical maximum. However that isn’t enough for your boss, the engine currently has an efficiency of 22% using a cold reservoir of -6 degrees C. What temperature in Celsius do you need the hot reservoir to be to increase the engine’s efficiency up 20% from the original?