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Engineering Thermodynamics

Engineering Thermodynamics
Work done is zero for the following process

All of the listed here
Throttling
Constant volume
Free expansion

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Engineering Thermodynamics
One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam.

9/7
11/4
7/4
11/7

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Engineering Thermodynamics
Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits?

SO₂, NH₃, CO₂, moisture
O₂, N₂, H₂, air
O₂, N₂, water vapour
O₂, N₂, steam, CO₂

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Engineering Thermodynamics
The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents

Heat rejected
Either heat absorbed or heat rejected
Heat absorbed
None of the listed here

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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)

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

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Engineering Thermodynamics
A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as

Diesel cycle
Carnot cycle
Stirling cycle
Otto cycle

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MORE MCQ ON Engineering Thermodynamics

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