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Engineering Thermodynamics

Engineering Thermodynamics
Steam coal is a

Coking bituminous coal
Non-coking bituminous coal
Brown coal
Pulverized coal

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Engineering Thermodynamics
The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats)

1 + (1/ rγ - 1)
1 - rγ - 1
1 + rγ - 1
1 - (1/ rγ - 1)

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Engineering Thermodynamics
The fuel mostly used in steam boilers is

Peat
Brown coal
Non-coking bituminous coal
Coking bituminous coal

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Engineering Thermodynamics
The heat and work are mutually convertible. This statement is called ___ law of thermodynamics.

Third
First
Zeroth
Second

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Engineering Thermodynamics
The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

All of the listed here
Charles' law
Gay-Lussac law
Boyle's law

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Engineering Thermodynamics
Total heat of a substance is also known as

Thermal capacity
Enthalpy
Internal energy
Entropy

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