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Chemical Engineering Basics

Chemical Engineering Basics
The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is

Radiation
Conduction
Convection
Both A & B

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Chemical Engineering Basics
Thermal efficiency of an internal combustion engine is around __________ percent.

35
65
8
80

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Chemical Engineering Basics
__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

Flanged
Bell and Spigot
Expansion
Collar

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Chemical Engineering Basics
Milligram of KOH required to saponify 1 gm of oil is called its __________ number.

Saponification
Precipitation
Emulsion
Acid

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Chemical Engineering Basics
The total frictional resistance to fluid flow does not depend upon the

Fluid pressure
Roughness of the surface
Fluid velocity
Fluid density

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Chemical Engineering Basics
Which of the following is a unit of time ?

Barn
Angstrom
None of these
Light year

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