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Engineering Thermodynamics

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

Celsius
Centigrade
Kelvin
Fahrenheit

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Engineering Thermodynamics
Kerosene is distilled at

220° to 345°C
470° to 550°C
345° to 470°C
65° to 220°C

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Engineering Thermodynamics
The value of cp/cv for air is

1
1.4
2.3
1.45

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Engineering Thermodynamics
A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as

Thermodynamic cycle
Reversible cycle
None of these
Irreversible cycle

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

0.086
1.086
4.086
1.086

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Engineering Thermodynamics
The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected)

δQ = T/ds
None of the listed here
dQ = ds/T
δQ = T.ds

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