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Engineering Thermodynamics

Engineering Thermodynamics
The unit of energy is S. I. units is

Watt (W)
Joule (J)
Joule meter (Jm)
Joule/meter (J/m)

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Engineering Thermodynamics
The first law of thermodynamics is the law of

Conservation of momentum
Conservation of energy
Conservation of heat
Conservation of mass

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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
The following cycle is used for air craft refrigeration

Joule cycle
Brayton cycle
Carnot cycle
Reversed Brayton cycle

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

Coal gas
Producer gas
Coke oven gas
Mond gas

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Engineering Thermodynamics
The efficiency of the Carnot cycle may be increased by

Increasing the lowest temperature
Decreasing the highest temperature
Increasing the highest temperature
Keeping the lowest temperature constant

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MORE MCQ ON Engineering Thermodynamics

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