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- 1. Multiple Choice
Zeroth law of thermodynamics is:
Kinetic energy of molecules of a gas is zero
Ideal gas does not contain molecules
If two systems are thermal equilibrium third one is also in equilibrium
Absolute zero temperature cannot be obtained
- 2. Multiple Choice
Transfer of heat from low temperature to high temperature is
None of these
Possible by doing some external work
Possible by keeping both the bodies in contact
Impossible
- 3. Multiple Choice
An adiabatic process occurs at constant
Temperature
pressure
heat
none of these
- 4. Multiple Choice
The physics of the refrigerator closely resembles the
Ice formation
Heat engine
Vapour compression machin
vaporization of water
- 5. Multiple Choice
---------------is intensive variable
area
entropy
temperature
volume
- 6. Multiple Choice
In a reversible adiabatic process, entropy
increases
decreases
remains unchanged
none of these
- 7. Multiple Choice
Entropy remains constant in
adiabatic process
isothermal process
isochoric process
isolated process
- 8. Multiple Choice
A piece of ice is added to water in a cup. The entropy
decreased
increased
no change
decreases then increases.
- 9. Multiple Choice
Human body is a __________________ system
open
closed
isolated
- 10. Multiple Choice
Correct Meyer's relation
Cp-Cv = R
Cv-Cp = R
Cv+Cp = R
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