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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)

1 - (T2/T1)
1 + (T2/T1)
1 - (T1/T2)
(T1/T2) - 1

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Engineering Thermodynamics
When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is

Briquetted coal
Coke
Wood charcoal
Bituminous coal

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Engineering Thermodynamics
The natural solid fuel is

Pulverised coal
Wood
Anthracite coal
Coke

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Engineering Thermodynamics
The following cycle is used for air craft refrigeration

Brayton cycle
Reversed Brayton cycle
Joule cycle
Carnot cycle

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Engineering Thermodynamics
A perpetual motion machine is

A non-thermodynamic machine
A hypothetical machine
A thermodynamic machine
A hypothetical machine whose operation would violate the laws of thermodynamics

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

watt
Joule
joule/s
joule/m

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MORE MCQ ON Engineering Thermodynamics

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