Engineering Thermodynamics
When gas is heated at constant pressure, the heat supplied is utilized in

Increasing the internal energy of gas and also for doing some external work
Increasing the internal energy of gas
None of these
Doing some external work

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
According to Clausius statement of second law of thermodynamics

Heat can
Heat can
Heat can be transferred for low temperature to high temperature source by using refrigeration cycle
Heat can be transferred from low temperature to high temperature source if COP of process is more than unity

ANSWER DOWNLOAD EXAMIANS APP