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Engineering Thermodynamics

Engineering Thermodynamics
Kerosene is distilled at

220° to 345°C
65° to 220°C
345° to 470°C
470° to 550°C

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Engineering Thermodynamics
One kg of carbon monoxide requires 4/7 kg of oxygen and produces

8/3 kg of carbon monoxide gas
11/3 kg of carbon dioxide gas
11/7 kg of carbon dioxide gas
7/3 kg of carbon monoxide gas

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Engineering Thermodynamics
When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

Thermodynamic cycle
Thermodynamic process
None of the listed here
Thermodynamic law

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Engineering Thermodynamics
A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is

+60 kJ
-40 kJ
-80 kJ
-140 kJ

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Engineering Thermodynamics
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

Free expansion
Adiabatic expansion
Throttling
Hyperbolic expansion

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Engineering Thermodynamics
Carnot cycle efficiency is maximum when

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

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