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Engineering Thermodynamics

Engineering Thermodynamics
The gas constant (R) is equal to the __________ of two specific heats.

Difference
Sum
Product
Ratio

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Engineering Thermodynamics
For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be

Infinity
Maximum
Zero
Minimum

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Engineering Thermodynamics
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to

1
∝
γ

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Engineering Thermodynamics
The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

Clausis
Kelvin
Gay-Lussac
Joule

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Engineering Thermodynamics
The fuel mostly used in cement industry and in metallurgical processes is

Pulverized coal
Wood charcoal
Coke
Bituminous coke

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Engineering Thermodynamics
The efficiency of the Carnot cycle may be increased by

Decreasing the highest temperature
Keeping the lowest temperature constant
Increasing the lowest temperature
Increasing the highest temperature

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MORE MCQ ON Engineering Thermodynamics

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