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Engineering Thermodynamics

Engineering Thermodynamics
In S. I. units, the value of the universal gas constant is

83.14 J/kg mole-K
831.4 J/kg mole-K
8.314 J/kg mole-K
8314 J/kg mole-K

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

Otto cycle
Carnot cycle
Stirling cycle
Diesel cycle

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Engineering Thermodynamics
Which of the following processes are thermodynamically reversible?

Constant volume and constant pressure
Throttling
Free expansion
Isothermal and adiabatic

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Engineering Thermodynamics
For reversible adiabatic process, change in entropy is

Minimum
Maximum
Negative
Zero

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Engineering Thermodynamics
Absolute zero pressure will occur

At a temperature of 273°K
When molecular momentum of the system becomes zero
At sea level
Under vacuum conditions

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

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