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Engineering Thermodynamics

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

Wood charcoal
Coke
Briquetted coal
Bituminous coal

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Engineering Thermodynamics
Otto cycle is also known as

Constant volume cycle
Constant temperature cycle
Constant pressure cycle
Constant temperature and pressure cycle

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Engineering Thermodynamics
The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected)

None of the listed here
dQ = ds/T
δQ = T/ds
δQ = T.ds

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Engineering Thermodynamics
Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant

Temperature
Internal energy
Pressure
Volume

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Engineering Thermodynamics
The ratio of two specific heats of air is equal to

0.1
0.24
0.17
1.41

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

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

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MORE MCQ ON Engineering Thermodynamics

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