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This is an MCQ-based quiz on the topic of the Second Law of Thermodynamics.
This includes the following:-
Second Law of Thermodynamics
Cyclic Heat Engine
Kelvin-Planck Statement and Clausius’ Statement of Second Law
Refrigerator and Heat Pump
Reversibility, Irreversibility, and causes of Irreversibility
Carnot Theorem, Carnot Cycle, and Reversed Heat Engine
Absolute Thermodynamic Temperature Scale
Clausius’ Theorem and the Inequality of Clausius
What is the relation between COP of heat pump and refrigerator?
Kelvin-Planck’s and Clausius’ statements are
Not connected to each other
Virtually two parallel statements of second law
Violation of one doesn’t violate the other
None of the mentioned
What does a refrigerant do?
Absorbs the heat leakage into body from surroundings
Evaporates in the evaporator
Absorbs latent heat of vaporization form the body which is cooled
All of the mentioned
Which device maintains a body at a temperature lower than the temperature of the surroundings?
PMM1
PMM2
Refrigerator
Heat pump
Which if the following statements are true for a mechanical energy reservoir(MER)?
It is a large body enclosed by an adiabatic impermeable wall
Stores work as KE or PE
All processes within an MER are quasi-static
All of the mentioned
A TER which transfers heat to system is called ____ and one which receives heat is called ____
Source, sink
Sink, source
Sink, sink
Source, source
Processes inside a thermal energy reservoir are quasi-static.
True
False
A thermal energy reservoir is a large body of
Small heat capacity
Large heat capacity
Infinite heat capacity
None of the mentioned
Efficiency of a heat engine is defined as
Total heat output / net work input
Total heat input / net work output
Net work output / total heat input
Net work input / total heat output
The function of a heat engine cycle is to _____ continuously at the expense of _____ to the system.
Heat input, produce work
Produce work, heat input
Can be both of the mentioned
None of the mentioned
In a heat engine cycle, which of the following process occurs?
Heat is transferred from furnace to boiler
Work is produced in turbine rotor
Steam is condensed in condenser
All of the mentioned
Boiler, turbine, condenser and pump together constitute a heat engine.
True
False
In a cyclic heat engine there is
Net heat transfer to the system and net work transfer from the system
Net heat transfer from the system and net work transfer to the system
Depends on the conditions of cycle
None of the mentioned
According to Joule’s experiments,
Heat can be completely converted into work
Work can be completely converted into heat
Both heat and work are completely interchangeable
All of the mentioned
The first law of thermodynamics doesn’t tell us whether a thermodynamic process is feasible or not.
True
False
