Engineering Thermodynamics
Isochoric process is one in which

No mechanical work is done by the system
All parameters remain constant
Free expansion takes place
Very little mechanical work is done by the system

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
The universal gas constant (or molar constant) of a gas is the product of

Molecular mass of the gas and the specific heat at constant pressure
Atomic mass of the gas and the gas constant
Molecular mass of the gas and the specific heat at constant volume
Molecular mass of the gas and the gas constant

ANSWER DOWNLOAD EXAMIANS APP