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Engineering Thermodynamics

Engineering Thermodynamics
The ultimate analysis of coal consists of the determination of the percentage of

Carbon
All of the listed here
Hydrogen and nitrogen
Sulphur and ash

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Engineering Thermodynamics
One molecule of oxygen is __________ times heavier than the hydrogen atom.

12
32
16
14

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Engineering Thermodynamics
The heating of a gas at constant pressure is governed by

Avogadro's law
Charles' law
Boyle's law
Gay-Lussac law

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Engineering Thermodynamics
A perpetual motion machine is

A hypothetical machine
A non-thermodynamic machine
A hypothetical machine whose operation would violate the laws of thermodynamics
A thermodynamic machine

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Engineering Thermodynamics
Measurement of temperature is based on

Zeroth law of thermodynamics
First law of thermodynamics
Thermodynamic properties
Second law of thermodynamics

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

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