Thermodynamics Quiz 2

In an adiabatic process, in the usual notation, W =

In a cyclic process,

The efficiency of a heat engine is given by $\eta$ =

In a cyclic process, the area enclosed by the loop in the P – V plane corresponds to

The efficiency of a Carnot engine is given by K =

The coefficient of performance of a Carnot refrigerator is given by K =

The efficiency of a Carnot engine working between $T_H$ = 400 K and $T_c$ = 300 K is

If a Carnot engine receives 5000 J from a hot reservoir and rejects 4000 J to a cold reservoir, the efficiency of the engine is

If a Carnot refrigerator works between 250 K and 300 K, its coefficient of performance =

The coefficient of performance of a Carnot refrigerator is 4. If $T_c$ = 250 K, then $T_H$ =