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Chapter 11 - Heat and Thermodynamics - 3
1.
A succession of events which bring the system back to its initial condition is called ......................
a) Cycle
b) Circle
c) Series
d) Parallel
2.
For the working of heat engine there must be a source of heat at a ................... temperature and sink at ....................... temperature to which heat may be expelled.
a) High, Low
b) Low, High
c) More, Less
d) Less, More
3.
Thermal pollution is an inevitable consequence of ........................... Law of Thermodynamics.
a) 3rd
b) 2nd
c) 4th
d) Ist
4.
There is no perpetual motion machine that can convert the given amount of heat completely into ........................
a) Force
b) Power
c) Work
d) Speed
5.
First Law of Thermodynamics
a) Q = ΔU / W
b) Q = ΔU + W
c) Q = ΔU - W
d) Q = ΔU - V
6.
Ideal gas equation
a) RV = nRT
b) PV = nRi
c) PV = nRT
d) RV = nRP
7.
Universal gas constant R
a) 8.314 J mol,
K
b) 8.314 J mol,
K
c) 8.314 J mol,
K
d) 8.314 J mol,
K
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