Heat
Work
Internal energy
Entropy

## Engineering Thermodynamics The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as

Rankine cycle
Atkinson cycle
Diesel cycle
Dual combustion cycle

## Engineering Thermodynamics The specific heat at constant volume is

The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume
The amount of heat required to raise the temperature of 1 kg of water through one degree
Any one of the above
The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure

## Engineering Thermodynamics When the expansion or compression takes place according to the law pvn = C, the process is known as

Hyperbolic process
Isothermal process
Polytropic process

## Engineering Thermodynamics Mixture of ice and water form a

Isolated system
Heterogeneous system
Closed system
Open system

## Engineering Thermodynamics The door of a running refrigerator inside a room was left open. Which of the following statements is correct?

The room will be cooled to the temperature inside the refrigerator
The temperature of the air in room will remain unaffected
The room will be cooled very slightly
The room will be gradually warmed up