ThermodynamicsHard
Question
N moles of a monoatomic gas is carried round the reversible rectangular cycle ABCDA as shown in the diagram. The temperature at A is T0. The thermodynamic efficiency of the cycle is:
Options
A.15 %
B.50 %
C.20 %
D.25 %
Solution
Heat absorbed = Work done by gas at = 2P0 (2V0 - V0) = 2PV0V0
Net work done by the gas = Workdone by the gas - Workdone on the gas
= 2P0V0 - P0V0
So efficiency =
× 100 = 50%
Net work done by the gas = Workdone by the gas - Workdone on the gas
= 2P0V0 - P0V0
So efficiency =
× 100 = 50%Create a free account to view solution
View Solution FreeMore Thermodynamics Questions
Two containers of equal volumes are joined by a pipe. They contain the same gas at pressure P0 and temperature T0K. One ...The temperature of 5 moles of a gas which was held at constant volume was changed from 100oC to 120oC. The change in int...A gas is found to obey P2V = constant. The initial temperature and volume of gas are T0 & V0. If the gas expands to volu...A black body is at temperature if 2800 K. The energy of radiation emitted by this body with wavelength between 499 nm an...If the quantity of energy with drawn from a system is δQ, work done by the system δW and the increase in inter...