Even Carnot engine cannot give 100% efficiency, because we cannot ___

1.	Even Carnot engine cannot give 100% efficiency, because we cannot ___________
A.	Prevent radiation
B.	Find ideal sources
C.	Reach absolute zero temperature
D.	Eliminate friction
Answer» B. Find ideal sources

Discussion

No Comment Found

Related MCQs

One end of a rod is held in a fire, while the other is held by one’s hand. Just assume his hand doesn’t get burned. After some time the rod-hand system is in thermal equilibrium. True or False?
The variables like pressure, volume, temperature of a thermodynamic system are microscopic. True or False?
Two bodies in thermal equilibrium can have different pressures. True or False?
We consider a thermodynamic system. If ∆U represents the increase in its internal energy and W, the work done by the system; which of the following statements are true?
Assertion: The temperature of a gas does not change, when it undergoes an adiabatic expansion.Reason: During an adiabatic process, heat energy is exchanged between a system and its surrounding.
Even Carnot engine cannot give 100% efficiency, because we cannot ___________
Internal energy change, when a system goes from state A and B is 40 kJ mole-1. If the system goes from A and B by a reversible path and returns to state A by an irreversible path, what would be the net change in internal energy?
An ideal gas heat engine is operating between 227°C and 127°C. It absorbs 104 J of heat at the higher temperature. The amount of heat converted into work is?
A monoatomic ideal gas, initially at temperature T1 is enclosed in a cylinder fitted with a frictionless piston. The gas is allowed to expand adiabatically to a temperature T2 by releasing the piston suddenly. L1 and L2 are the lengths of the gas column before and after expansion respectively, then T1/T2 is given by?
When a gas is suddenly compressed, its temperature decreases.

Even Carnot engine cannot give 100% efficiency, because we cannot ___________

Discussion

No Comment Found

Related MCQs

Reply to Comment