Which of the following processes are thermodynamically reversible?
A. Throttling
B. Free expansion
C. Constant volume and constant pressure
D. Isothermal and adiabatic
Answer: Option D
This Question Belongs to Mechanical Engineering >> Engineering Thermodynamics
Join The Discussion
Comments ( 1 )
Addition of heat at constant pressure to a gas results in
A. Raising its temperature
B. Raising its pressure
C. Raising its volume
D. Raising its temperature and doing external work
Which of the following items is not a path function?
A. Heat
B. Work
C. Kinetic energy
D. Thermal conductivity
An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is
A. Feasible
B. Impossible
C. Possible
D. Possible, but with lot of sophistications
The absolute zero pressure can be attained at a temperature of
A. 0°C
B. -273°C
C. 273 K
D. None of these
C&d both are correct