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Chemical Engineering Basics

Chemical Engineering Basics
For hardening high alloy steel, it is to be heated slowly and uniformly to avoid

Local hardening
Warpage
Scale formation
Segregation

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Chemical Engineering Basics
__________ iron is produced by the annealing of white cast iron.

Ductile
Malleable
Nodular
Grey

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Chemical Engineering Basics
A compact estimate about the amount of materials handling between various work stations is obtained from the

Gantt chart
Bin chart
String diagram
Travel chart

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Chemical Engineering Basics
Which of the following metals reacts violently with water ?

Magnesium
Calcium
Mercury
Sodium

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Chemical Engineering Basics
__________ of hard alloy and tool steel is done to make it easily machinable.

Normalising
Case carburising
Tempering
Annealing

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Chemical Engineering Basics
For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle.

Heat rejection is lower
Maximum temperature is higher
Expansion & compression are isentropic
Combustion is at constant volume

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