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Engineering Thermodynamics

Engineering Thermodynamics
Steam coal is a

Non-coking bituminous coal
Pulverized coal
Brown coal
Coking bituminous coal

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Engineering Thermodynamics
One Joule (J) is equal to

1 N-m
10 N-m/s
10 kN-m/s
1 kN-m

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Engineering Thermodynamics
The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

pv = (RT)m
pvm = C
pv = RTm
pv = mRT

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Engineering Thermodynamics
The value of gas constant (R) in S. I. units is

0.287 J/kgK
287 J/kgK
2.87 J/kgK
28.7 J/kgK

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Engineering Thermodynamics
In a free expansion process

Work done is zero
Work done is zero but heat increases
Both (A) and (B) above
Heat transfer is zero

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Engineering Thermodynamics
The atomic mass of nitrogen is __________ oxygen.

None of these
More than
Less than
Equal to

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