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Total questions: 10
Worksheet time: 3mins
Name
Class
Date
1.
An ideal gas as compared to a real gas at very high pressure occupies........
a)
More volume
b)
Less volume
c)
Same volume
d)
None of the above
2.
The efficiency of carnot cycle may be increased by........
a)
Increasing the highest temperature
b)
Decreasing the highest temperature
c)
Increasing the lowest temperature
d)
Decreasing the lowest temperature
3.
The enthalpy of dry saturated steam........with the increase in pressure
a)
Decreases
b)
Increases
c)
Remains constant
d)
All of thr above
4.
Zeroth law of thermodynamics........
a)
Deals with conversion of mass and energy
b)
Deals with reversibility and irresibility of process
c)
States that if two system are both in equilibrium with a third system,they are in thermal equilibrium with each other
d)
Deals with heat engines
5.
The internal energy U is a unique function of any state of a substance because change in U
a)
does not depend upon the path
b)
depends upon the path
c)
corresponds to an adiabatic process
d)
corresponds to an isothermal process
6.
An ideal gas undergoing isothermal expansion means
a)
its heat content remains constant
b)
its temperature and heat content remains constant
c)
its temperature and pressure remains constant
d)
its temperature remains constant
7.
The temperature of a gas does not drop in an adiabatic process
a)
true
b)
false
8.
When a gas is compressed undr adiabatic condition its temeperature decreases
a)
true
b)
false
9.
The work done in an adiabatic change in a perticular gas depends upon only
a)
change in volume
b)
change in pressure
c)
change in temperature
d)
none of above
10.
The gas law Pvr= constant, is true for
a)
thermal changes only
b)
adiabatic changes only
c)
both isothermal and adiabatic changes
d)
isothermal changes only
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