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Engineering Thermodynamics

Engineering Thermodynamics
The ultimate analysis of coal consists of the determination of the percentage of

Carbon
Hydrogen and nitrogen
All of the listed here
Sulphur and ash

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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

Enthalpy
Pressure
Temperature
Volume

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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 specific weight
Multiplied by its molecular weight

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Engineering Thermodynamics
The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas.

Two-third
Three-forth
One-half
One-third

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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
Briquetted coal
Bituminous coal
Wood charcoal

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Engineering Thermodynamics
A diathermic wall is one which

Discourages thermal interaction
Encourages thermal interaction
Permits thermal interaction
Prevents thermal interaction

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MORE MCQ ON Engineering Thermodynamics

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