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Engineering Thermodynamics

Engineering Thermodynamics
The entropy of water at 0°C is assumed to be

-1
2
1

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Engineering Thermodynamics
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

Greater than one
None of these
Less than one
Equal to one

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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?

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

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Engineering Thermodynamics
When a gas is heated at constant pressure

Neither temperature not volume will increase
Its volume will increase
Its temperature will increase
Both temperature and volume will increase

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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)

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

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Engineering Thermodynamics
Reversed joule cycle is called

Brayton cycle
Rankine cycle
Bell Coleman cycle
Carnot cycle

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MORE MCQ ON Engineering Thermodynamics

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