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Engineering Thermodynamics

Engineering Thermodynamics
The compression ratio for Diesel engines is

20 to 30
3 to 6
15 to 20
5 to 8

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Engineering Thermodynamics
The specific heat of air increases with increase in

Both pressure and temperature
Temperature
Variation of its constituents
Pressure

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Engineering Thermodynamics
According to kinetic theory of gases, the absolute zero temperature is attained when

Specific heat of gas is zero
Volume of the gas is zero
Pressure of the gas is zero
Kinetic energy of the molecules is zero

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Engineering Thermodynamics
When coal is first dried and then crushed to a fine powder by pulverizing machine, the resulting fuel is called

None of these
Bituminous coal
Briquetted coal
Wood charcoal

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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

Temperature
Enthalpy
Volume
Pressure

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Engineering Thermodynamics
A sudden fall in the barometer reading is a sign of approaching

Rains
Cold wave
Fine weather
Storm

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MORE MCQ ON Engineering Thermodynamics

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