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Engineering Thermodynamics

Engineering Thermodynamics
The unit of pressure in S.I. units is

kg/cm²
Pascal
Dyne per square cm
mm of water column

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Engineering Thermodynamics
An open cycle gas turbine works on

Joule's cycle
Carnot cycle
Otto cycle
Stirling cycle

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

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

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Engineering Thermodynamics
Carnot cycle efficiency depends upon

Working condition
Temperature range of operation
Condition of engine
Properties of the medium/substance used

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Engineering Thermodynamics
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

Equal to one
Less than one
Greater than one
None of these

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Engineering Thermodynamics
A gas is compressed in a cylinder by a movable piston to a volume one half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be

3000 Nm
300,000 Nm
30 Nm
300 Nm

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