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Engineering Thermodynamics

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

77
21
25
23

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

25
73
21
23

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Engineering Thermodynamics
One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam.

7/4
9/7
11/7
11/4

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Engineering Thermodynamics
Isochoric process is one in which

All parameters remain constant
Free expansion takes place
No mechanical work is done by the system
Very little mechanical work is done by the system

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Engineering Thermodynamics
When a gas is heated at constant pressure

Neither temperature not volume will increase
Its volume will increase
Both temperature and volume will increase
Its temperature will increase

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Engineering Thermodynamics
The fuel mostly used in steam boilers is

Peat
Brown coal
Coking bituminous coal
Non-coking bituminous coal

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MORE MCQ ON Engineering Thermodynamics

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