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Engineering Thermodynamics

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

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

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Engineering Thermodynamics
For which of the following substances, the internal energy and enthalpy are the functions of temperature only

Any gas
Saturated steam
Water
Perfect gas

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Engineering Thermodynamics
The unit of mass in S.I. units is

Tonne
Kilogram
Quintal
Gram

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Engineering Thermodynamics
For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature)

T/P = constant, if v is kept constant
V/T = constant, if p is kept constant
P v = constant, if T is kept constant
P/T = constant, if v is kept constant

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Engineering Thermodynamics
The atomic mass of sulphur is

12
32
16
14

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Engineering Thermodynamics
Work done is zero for the following process

All of the listed here
Constant volume
Free expansion
Throttling

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MORE MCQ ON Engineering Thermodynamics

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