Engineering Thermodynamics
A process, in which the temperature of the working substance remains constant during its expansion or compression, is called

Hyperbolic process
Isothermal process
Polytropic process
Adiabatic process

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
An isolated system is one in which

Both energy and mass cross the boundaries of the system
Mass does not cross boundaries of the system, though energy may do so
Neither mass nor energy crosses the boundaries of the system
Mass crosses the boundary but not the energy

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
Which of the following is the correct statement?

All the reversible engines have the same efficiency.
All engines are designed as reversible in order to obtain maximum efficiency.
Irreversible engines have maximum efficiency.
All the reversible and irreversible engines have the same efficiency.

ANSWER DOWNLOAD EXAMIANS APP