According to Clausius statement of second law of thermodynamics
A. Heat can't be transferred from low temperature source to high temperature source
B. Heat can be transferred for low temperature to high temperature source by using refrigeration cycle
C. Heat can be transferred from low temperature to high temperature source if COP of process is more than unity
D. Heat can't be transferred from low temperature to high temperature source without the aid of external energy
Answer: Option D
This Question Belongs to Mechanical Engineering >> Engineering Thermodynamics
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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
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Answer isn't completed. WTF