Engineering Thermodynamics
Gases have

Only one value of specific heat
Two values of specific heat
Under some conditions one value and sometimes two values of specific heat
No value of specific heat

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
According to Clausius statement of second law of thermodynamics

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

ANSWER DOWNLOAD EXAMIANS APP