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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following gas is mostly used in town for street and domestic lighting and heating?

Mond gas
Coal gas
Producer gas
Coke oven gas

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Engineering Thermodynamics
The molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of

22.4 liters
2.24 liters
224 liters
0.224 liters

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Engineering Thermodynamics
Which of the following processes are thermodynamically reversible?

Constant volume and constant pressure
Isothermal and adiabatic
Throttling
Free expansion

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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)

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

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Engineering Thermodynamics
The heat and work are mutually convertible. This statement is called ___ law of thermodynamics.

Zeroth
Third
First
Second

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Engineering Thermodynamics
One Joule (J) is equal to

10 kN-m/s
10 N-m/s
1 N-m
1 kN-m

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