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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)

(T1/T2) - 1
1 - (T2/T1)
1 - (T1/T2)
1 + (T2/T1)

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Engineering Thermodynamics
Which of the following gas is mostly used in town for street and domestic lighting and heating?

Producer gas
Mond gas
Coal gas
Coke oven gas

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Engineering Thermodynamics
The ___ is obtained when carbonization of coal is carried out at 500° to 700° C.

Pulverized coal
Soft coal
Bituminous coal
Hard coal

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Engineering Thermodynamics
In an ideal gas turbine plant, it is assumed that the compression and expansion processes are

Isentropic
Isothermal
None of these
Polytropic

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Engineering Thermodynamics
Which of the following processes is irreversible process?

Adiabatic
Throttling
Isothermal
All of these

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Engineering Thermodynamics
To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is

Divided by its molecular weight
Multiplied by its density
Multiplied by its molecular weight
Multiplied by its specific weight

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