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Chemical Engineering Basics

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

Fcc
Hcp
Bcc
None of these

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Chemical Engineering Basics
If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase.

Conduction
Radiation
Nucleate boiling
Convection

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Chemical Engineering Basics
Circulation of liquid metal (i.e. molten sodium) in a liquid metal cooled nuclear reactor is done by a/an __________ pump.

Diaphragm
Reciprocating
Electromagnetic
Axial flow

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Chemical Engineering Basics
Which of the following metals is the most prone to work hardening?

Aluminium
Copper
Lead
Brass

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Chemical Engineering Basics
A suitable lubricant used for watches is

Hazel-nut oil
Metallic soap solution
Grease
Palm oil

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Chemical Engineering Basics
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

None of these
100
50

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