Thermodynamics ...

Which of the following is not the component of heat pump?

In the adiabatic compression, the decrease in volume is associated with

The earthen pots prepared by using clay only are generally

A heat engine undergoes a process in which its internal energy decreases by $$400 J$$ and it gives out $$150 J$$ of heat. During the process

In a given process on an ideal gas $$dW = 0$$ and $$dQ < 0$$, then for the gas :

Find out the most efficient engine in the following

Which of the following engines is more efficient?

Of the following thermodynamic processes, the thermodynamic process in which internal energy of a gas remains constant is

The first law of thermodynamics is a special case of

The Zeroth law of thermodynamics leads to the concept of: