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Engineering Thermodynamics

Engineering Thermodynamics
General gas equation is

PV=KiRT
PV=nRT
PV = C
PV=mRT

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Engineering Thermodynamics
Boyle's law i.e. pV = constant is applicable to gases under

Only small range of pressures
Steady change of pressures
High range of pressures
All ranges of pressures

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Engineering Thermodynamics
The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as

External energy
Enthalpy
Internal energy
Entropy

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Engineering Thermodynamics
The condition of perfect vacuum, i.e., absolute zero pressure can be attained at

A temperature of - 273.16°C
A temperature of 0°C
A temperature of 273 °K
A negative pressure and 0°C temperature

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Engineering Thermodynamics
If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to

Anywhere between zero and infinity
-ve
Zero
+ve

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Engineering Thermodynamics
The entropy may be expressed as a function of

Heat and work
Temperature and volume
All of these
Pressure and temperature

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MORE MCQ ON Engineering Thermodynamics

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