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Engineering Thermodynamics

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

Kerosene
Gasoline
None of these
Fuel oil

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Engineering Thermodynamics
Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant)

cp - cv = R
cv/ cp =R
Both (B) and (C)
cv = R/ γ-1

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Engineering Thermodynamics
One kilowatt is equal to

1000 N-m/s
1 N-m/s
100 N-m
1 × 106 N-m/s

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Engineering Thermodynamics
Which of the following is a reversible non-flow process?

Isobaric process
Isochoric process
All of these
Hyperbolic process

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Engineering Thermodynamics
Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant

Volume
Temperature
Internal energy
Pressure

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Engineering Thermodynamics
For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.

Equal to
Greater than
None of these
Less than

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