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Engineering Thermodynamics

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

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

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Engineering Thermodynamics
Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure

Volume
Enthalpy
Mass
Entropy

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Engineering Thermodynamics
The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)

(v1 + v2)/v2
(v1 + v2)/v1
v1/v2
v2/v1

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

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

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Engineering Thermodynamics
If in the equation pvn = C, the value of n = ∝, then the process is called

Constant volume process
Adiabatic process
Constant pressure process
Isothermal process

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Engineering Thermodynamics
Diesel cycle consists of __________ processes.

Two constant volume and two isothermal
Two constant volume and two isentropic
One constant pressure, one constant volume and two isentropic
Two constant pressure and two isentropic

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