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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following is the extensive property of a thermodynamic system?

Pressure
Volume
Density
Temperature

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Engineering Thermodynamics
The fuel mostly used in blast furnace for extracting pig iron from iron ores is

Pulverized coal
Bituminous coal
Hard coke
Soft coke

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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)

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

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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

Reversible cycle
None of these
Thermodynamic cycle
Irreversible cycle

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Engineering Thermodynamics
Total heat of a substance is also known as

Enthalpy
Thermal capacity
Entropy
Internal energy

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Engineering Thermodynamics
The main cause for the irreversibility is

Heat transfer with a finite temperature difference
Mechanical and fluid friction
Unrestricted expansion
All of these

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MORE MCQ ON Engineering Thermodynamics

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