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Engineering Thermodynamics

Engineering Thermodynamics
The fuel mostly used in steam boilers is

Brown coal
Coking bituminous coal
Peat
Non-coking bituminous coal

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Engineering Thermodynamics
The value of gas constant (R) in S. I. units is

0.287 J/kgK
2.87 J/kgK
287 J/kgK
28.7 J/kgK

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Engineering Thermodynamics
The efficiency of a Carnot engine depends on

Size of engine
Working substance
Temperatures of source and sink
Design of engine

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Engineering Thermodynamics
The principal constituents of a fuel are

Carbon and hydrogen
Sulphur and hydrogen
Sulphur and oxygen
Oxygen and hydrogen

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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

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

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Engineering Thermodynamics
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order

Diesel cycle, Otto cycle, Dual cycle
Dual cycle, Otto cycle, Diesel cycle
Dual cycle, Diesel cycle, Otto cycle
Otto cycle, Diesel cycle, Dual cycle

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MORE MCQ ON Engineering Thermodynamics

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