Engineering Thermodynamics
A closed system is one in which

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

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
The work ratio of a gas turbine plant is given by

(Isentropic increase in temperature)/(Actual increase in temperature)
(Actual temperature drop)/(Isentropic temperature drop)
(Net work output)/(Heat supplied)
(Net work output)/(Work-done by the turbine)

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
Which is the incorrect statement about Carnot cycle?

It provides concept of maximising work output between the two temperature limits
All of these
All the heat engines are based on Carnot cycle
It is used as the alternate standard of comparison of all heat engines

ANSWER DOWNLOAD EXAMIANS APP