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Engineering Thermodynamics

Engineering Thermodynamics
Barometric pressure is equal to

735.6 mm Hg
760 mm Hg
Zero mm Hg
1 mm Hg

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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

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

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Engineering Thermodynamics
The pressure of a gas in terms of its mean kinetic energy per unit volume 'E' is equal to

2E/3
E/2
3E/4
E/3

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Engineering Thermodynamics
Boyle's law i.e. pV = constant is applicable to gases under

High range of pressures
All ranges of pressures
Only small range of pressures
Steady change of pressures

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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.

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

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Engineering Thermodynamics
Which of the following cycles has maximum efficiency?

Brayton
Stirling
Rankine
Carnot

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MORE MCQ ON Engineering Thermodynamics

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