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Engineering Thermodynamics

Engineering Thermodynamics
The natural petroleum may be separated into

Fuel oil
Petrol
Kerosene
Lubricating oil

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Engineering Thermodynamics
Brayton cycle consists' of following four processes

Two isothermal and two isentropic
Two isentropic and two constant volumes
Two isentropic and two constant pressures
Two isentropic, one constant volume and one constant pressure

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Engineering Thermodynamics
The temperature at which the volume of a gas becomes zero is called

Absolute scale of temperature
None of these
Absolute temperature
Absolute zero temperature

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Engineering Thermodynamics
Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant

Temperature
Pressure
Internal energy
Volume

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Engineering Thermodynamics
In a steady flow process, the ratio of

Heat transfer is constant
Work transfer is constant
Mass flow at inlet and outlet is same
All of these

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Engineering Thermodynamics
According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas.

Change
None of these
Both (A) and (B)
Do not change

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