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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following variables controls the physical properties of a perfect gas?

Temperature
Volume
Pressure
All of these

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Engineering Thermodynamics
The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is

4.086
0.086
1.086
1.086

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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

Enthalpy
Mass
Volume
Entropy

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

Volume
Enthalpy
Pressure
Temperature

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Engineering Thermodynamics
One kg of hydrogen requires 8 kg of oxygen and produces

8 kg of water
1 kg of water
7 kg of water
9 kg of water

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Engineering Thermodynamics
Otto cycle consists of following four processes

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

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MORE MCQ ON Engineering Thermodynamics

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