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Engineering Thermodynamics

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

Increase
Decrease
Increase/decrease depending on application
Remain unchanged

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Engineering Thermodynamics
The amount of heat generated per kg of fuel is known as

Lower calorific value
Higher calorific value
Heat energy
Calorific value

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Engineering Thermodynamics
According to which law, all perfect gases change in volume by 1/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant

Joule's law
Charles' law
Boyle's law
Gay Lussac’s law

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Engineering Thermodynamics
One watt is equal to

1 Nm/s
1 kNm/hr
1 Nm/hr
1 N/m

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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
Volume
Internal energy
Pressure

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MORE MCQ ON Engineering Thermodynamics

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