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Engineering Thermodynamics

Engineering Thermodynamics
Mixture of ice and water form a

Open system
Heterogeneous system
Closed system
Isolated system

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Engineering Thermodynamics
In a Carnot cycle, heat is transferred at

Constant temperature
Constant enthalpy
Constant volume
Constant pressure

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Engineering Thermodynamics
On weight basis, air contains following parts of oxygen

23
21
73
25

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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

Volume
Pressure
Temperature
Internal energy

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Engineering Thermodynamics
Carnot cycle efficiency is maximum when

Difference between initial and final temperature is 0°K
Final temperature is 0°C
Final temperature is 0°K
Initial temperature is 0°K

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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

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

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MORE MCQ ON Engineering Thermodynamics

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