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Chemical Engineering Basics

Chemical Engineering Basics
Which of the following heat treatment processes is usually applied to castings ?

Annealing
Tempering
Carburising
Normalising

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Chemical Engineering Basics
Specific __________ is a dimensionless quantity.

Heat
Weight
Humidity
None of these

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Chemical Engineering Basics
The phenomenon of strain-ageing is generally experienced with

High manganese steel
Cast iron
High carbon steel
Low carbon steel

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

Fcc
Bcc
None of these
Hcp

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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.

Radiation
Convection
Conduction
Nucleate boiling

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Chemical Engineering Basics
Eutectoid reaction for iron-carbon system occurs at a temperature of __________ °C.

597
1147
959
1493

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