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Engineering Thermodynamics

Engineering Thermodynamics
Steam coal is a

Pulverized coal
Non-coking bituminous coal
Coking bituminous coal
Brown coal

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Engineering Thermodynamics
Entropy change depends on

Thermodynamic state
Change of temperature
Heat transfer
Mass transfer

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Engineering Thermodynamics
For which of the following substances, the internal energy and enthalpy are the functions of temperature only

Water
Any gas
Perfect gas
Saturated steam

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Engineering Thermodynamics
The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant)

mcp (T2 - T1)
mcp (T2 + T1)
mR (T2 - T1)
mcv (T2 - T1)

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

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

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Engineering Thermodynamics
When a gas is heated at constant volume

Its temperature will increase
Both temperature and pressure will increase
Its pressure will increase
Neither temperature nor pressure will increase

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MORE MCQ ON Engineering Thermodynamics

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