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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following is the lightest and most volatile liquid fuel?

Kerosene
None of these
Gasoline
Fuel oil

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Engineering Thermodynamics
When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency

Zero
43834
43835
2

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Engineering Thermodynamics
The general law for the expansion or compression of gases, is

pv = m R T
pvn = C
pvγ = C
pv = C

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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

Entropy
Temperature
Enthalpy
Internal energy

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Engineering Thermodynamics
Total heat of a substance is also known as

Entropy
Enthalpy
Internal energy
Thermal capacity

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Engineering Thermodynamics
The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)

v1/v2
v2/v1
(v1 + v2)/v1
(v1 + v2)/v2

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MORE MCQ ON Engineering Thermodynamics

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