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Engineering Thermodynamics

Engineering Thermodynamics
When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is

Coke
Bituminous coal
Briquetted coal
Wood charcoal

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Engineering Thermodynamics
Which of the following has the minimum atomic mass?

Nitrogen
Carbon
Oxygen
Sulphur

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Engineering Thermodynamics
The natural petroleum may be separated into

Lubricating oil
Kerosene
Fuel oil
Petrol

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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
Volume
Pressure
Enthalpy

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Engineering Thermodynamics
If a system after undergoing a series of processes, returns to the initial state then

Process is executed in closed system cycle
Sum of heat and work transfer will be zero
Its entropy will change due to irreversibility
Process is thermodynamically in equilibrium

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Engineering Thermodynamics
The compression ratio for petrol engines is

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

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MORE MCQ ON Engineering Thermodynamics

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