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Engineering Thermodynamics

Engineering Thermodynamics
The absolute zero pressure can be attained at a temperature of

-273°C
0°C
273 K
None of these

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Engineering Thermodynamics
The value of 1 mm of Hg is equal to

133.3 N/m2
1333 N/m2
1.333 N/m2
13.33 N/m2

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Engineering Thermodynamics
When the expansion or compression takes place according to the law pvn = C, the process is known as

Adiabatic process
Polytropic process
Hyperbolic process
Isothermal process

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Engineering Thermodynamics
The mass of excess air supplied is equal to

(23/100) × Mass of excess carbon
(100/23) × Mass of excess carbon
(23/100) × Mass of excess oxygen
(100/23) × Mass of excess oxygen

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Engineering Thermodynamics
The state of a substance whose evaporation from its liquid state is complete, is known as

Vapour
Steam
Air
Perfect gas

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Engineering Thermodynamics
The ___ is obtained when carbonization of coal is carried out at 500° to 700° C.

Pulverized coal
Soft coal
Hard coal
Bituminous coal

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MORE MCQ ON Engineering Thermodynamics

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