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Engineering Thermodynamics

Engineering Thermodynamics
Which law states that the internal energy of a gas is a function of temperature?

Boyle's law
Joule's law
Charles' law
There is no such law

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Engineering Thermodynamics
No liquid can exist as liquid at

Zero pressure
Centre of earth
Vacuum
273°K

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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.

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

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Engineering Thermodynamics
In an isothermal process

There is no change in temperature
There is no change in enthalpy
There is no change in internal energy
All of the listed here

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Engineering Thermodynamics
Change in enthalpy of a system is the heat supplied at

Constant volume
Constant pressure
Constant temperature
Constant entropy

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Engineering Thermodynamics
Brayton cycle consists' of following four processes

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

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