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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of Joule cycle is

Less than Carnot cycle
Greater than Carnot cycle
Equal to Carnot cycle
None of these

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Engineering Thermodynamics
If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called

Parabolic expansion
Adiabatic expansion
Hyperbolic expansion
Free expansion

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Engineering Thermodynamics
The amount of heat generated per kg of fuel is known as

Heat energy
Lower calorific value
Higher calorific value
Calorific value

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Engineering Thermodynamics
The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called

Specific heat at constant pressure
Kilo Joule
Specific heat at constant volume
None of these

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Engineering Thermodynamics
General gas equation is

PV=nRT
PV=KiRT
PV=mRT
PV = C

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Engineering Thermodynamics
Which of the following processes are thermodynamically reversible?

Throttling
Free expansion
Isothermal and adiabatic
Constant volume and constant pressure

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