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Engineering Thermodynamics

Engineering Thermodynamics
One kg of carbon requires 4/3 kg of oxygen and produces ________ kg of carbon monoxide gas.

44142
44046
44138
44015

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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
11/4
11/7

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Engineering Thermodynamics
The atomic mass of sulphur is

16
32
12
14

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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
If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly

Temperature
Internal energy
Entropy
Enthalpy

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Engineering Thermodynamics
The compression ratio for Diesel engines is

15 to 20
20 to 30
3 to 6
5 to 8

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