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Engineering Thermodynamics

Engineering Thermodynamics
Kerosene is distilled at

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

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Engineering Thermodynamics
The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)

1 - rγ - 1
1 - (1/r) γ - 1/ γ
1 - (1/r) γ/γ - 1
rγ - 1

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Engineering Thermodynamics
One watt is equal to

1 Nm/hr
1 kNm/hr
1 Nm/s
1 N/m

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Engineering Thermodynamics
The hard coke is obtained when carbonization of coal is carried out at

500° to 700°C
900° to 1100°C
300° to 500°C
700° to 900°C

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Engineering Thermodynamics
Which law states that the specific heat of a gas remains constant at all temperatures and pressures?

Charles' Law
Boyle's Law
Joule's Law
Regnault's Law

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Engineering Thermodynamics
The efficiency of Carnot cycle is maximum for

Reversible engine
Petrol engine
Steam engine
Gas engine

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