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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of Stirling cycle is __________ Carnot cycle.

Less than
None of these
Equal to
Greater than

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

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Engineering Thermodynamics
The sum of internal energy (U) and the product of pressure and volume (p.v) is known as

Power
Work done
Enthalpy
Entropy

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Engineering Thermodynamics
A cycle consisting of two constant pressure and two isentropic processes is known as

Stirling cycle
Otto cycle
None of the listed here
Carnot cycle

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Engineering Thermodynamics
Universal gas constant is defined as equal to product of the molecular weight of the gas and

Specific heat at constant pressure
Ratio of two specific heats
Gas constant
Specific heat at constant volume

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Engineering Thermodynamics
Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure

Mass
Volume
Entropy
Enthalpy

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