An ideal gas heat engine operates in a Carnot Cycle, absorbing heat fr – McqOptions

MCQOPTIONS

1.	An ideal gas heat engine operates in a Carnot Cycle, absorbing heat from a heat source as a hot reservoir at a temperature of 127°C. It rejects heat to the sink at a colder reservoir at a temperature of 87°C. Then the efficiency of the engine is nearly
A.	26%
B.	68%
C.	10%
D.	32%
Answer» D. 32%

Discussion

No Comment Found

Related MCQs

The mass of carbon per kg of flue gas is given by
One m3 of methane (CH4) requires 2m3 of oxygen and produces 1m3 of carbon dioxide and 2m3 of water or steam.
The most probable velocity of the gas molecules is given by
The root mean square velocity of the gas molecules is given by (where k = Boltzmann's constant, T = Absolute temperature, and m = Mass of one molecule of a gas)
In a steady flow process, the rate of
Heat capacity of a substance is infinite. It means ___________
A Carnot engine working between 300 K and 600 K has a work output of 800 J per cycle. The amount of heat energy supplied to the engine from source per cycle is ___________
The door of a domestic refrigerator is kept open while the switch is on. Then the room will ___________
The inside and outside temperature of a refrigerator are 273K and 303K respectively. Assuming that refrigerator cycle is reversible, for every joule of work done, the heat delivered to the surrounding will be?
Which of the following is not a state function?