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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)

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

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Engineering Thermodynamics
The atomic mass of sulphur is

12
14
32
16

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

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Engineering Thermodynamics
Kinetic theory of gases assumes that the collisions between the molecules are

Partly elastic
Perfectly elastic
Perfectly inelastic
Partly inelastic

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Engineering Thermodynamics
Work done is zero for the following process

Throttling
Constant volume
Free expansion
All of the listed here

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Engineering Thermodynamics
Carnot cycle efficiency is maximum when

Difference between initial and final temperature is 0°K
Initial temperature is 0°K
Final temperature is 0°K
Final temperature is 0°C

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MORE MCQ ON Engineering Thermodynamics

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