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Engineering Thermodynamics

Engineering Thermodynamics
The fuel mostly used in blast furnace for extracting pig iron from iron ores is

Pulverized coal
Hard coke
Bituminous coal
Soft coke

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

Pascal
mm of water column
kg/cm²
Dyne per square cm

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

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

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Engineering Thermodynamics
When the expansion or compression takes place according to the law pvn = C, the process is known as

Polytropic process
Adiabatic process
Hyperbolic process
Isothermal process

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Engineering Thermodynamics
Work done in a free expansion process is

Positive
Minimum
Maximum
Zero

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Engineering Thermodynamics
Characteristic gas constant of a gas is equal to

Cp - Cv
Cp /Cv
Cv /Cp
Cp + Cv

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MORE MCQ ON Engineering Thermodynamics

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