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Engineering Thermodynamics

Engineering Thermodynamics
A sudden fall in the barometer reading is a sign of approaching

Storm
Rains
Fine weather
Cold wave

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will

Remain unchanged
Decrease
Increase
Increase/decrease depending on application

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Engineering Thermodynamics
Molecular volume of any perfect gas at 600 × 103 N/m² and 27°C will be

4.17 m3/kg mol
400 m3/kg mol
0.15 m3/kg mol
41.7 m3/kg mol

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Engineering Thermodynamics
According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as

None of these
Volume, if temperature is kept constant
Absolute temperature, if volume is kept constant
Temperature

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Engineering Thermodynamics
The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as

Rankine cycle
Atkinson cycle
Diesel cycle
Dual combustion cycle

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Engineering Thermodynamics
The efficiency of Diesel cycle with decrease in cut-off

Decreases
Increases
First decreases and then increases
First increases and then decreases

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MORE MCQ ON Engineering Thermodynamics

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