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Engineering Thermodynamics

Engineering Thermodynamics
If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant

Volume
Enthalpy
Temperature
Pressure

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Engineering Thermodynamics
The process is adiabatic, if the value of n in the equation pvn = C, is

∝
γ
One
Zero

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Engineering Thermodynamics
The entropy may be expressed as a function of

Pressure and temperature
Heat and work
All of these
Temperature and volume

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Engineering Thermodynamics
A cycle consisting of two isothermal and two isentropic processes, is known as

Carnot cycle
Joule cycle
Stirling cycle
Ericsson cycle

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Engineering Thermodynamics
A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is

May be possible with lot of sophistications
Cost will be very high
Not possible
Theoretically possible

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Engineering Thermodynamics
On volume basis, air contains following parts of oxygen

23
21
77
25

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