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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
Copper is not present as an alloying constituent in

Nichrome
Constantan
Silicon bronze
Delta metal

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Chemical Engineering Basics
Tempering of a material does not improve its

Toughness
Internal stress level
Softness
Machinability

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Chemical Engineering Basics
Friction factor for fluid flow in pipe does not depend upon the

Fluid density & viscosity
Pipe length
Pipe roughness
Mass flow rate of fluid

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Chemical Engineering Basics
'Flare tower' used in industry is meant for

None of these
Absorbing the pollutant gases from the furnace exhaust
Venting off (after burning) the excess inflammable/toxic gases at high pressure
Cooling of furnace exhaust gases

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Chemical Engineering Basics
Deformation band is absent in materials having __________ lattice crystal structure.

Hcp
Bcc
Fcc
None of these

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