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Chemical Engineering Basics

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

Grey
Malleable
Nodular
Ductile

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Chemical Engineering Basics
Silicon crystal can be converted to p-type semi-conductor by doping with

Boron
Nitrogen
Carbon
Phosphorous

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Chemical Engineering Basics
Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

Insulator
Conductor
None of these
Semi-conductor

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Chemical Engineering Basics
Out of the following, the most ductile material is

Aluminium
Copper
Nickel
Mild steel

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Chemical Engineering Basics
When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

Decreases & decreases
Increases & increases
Decreases & increases
Increases & decreases

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Chemical Engineering Basics
Load cells used for the measurement of weight has

All of these
Provision of thermal compensation and is hermetically sealed
Compact & rugged construction with an accuracy of 0.1 to 1%
No moving parts and incurs negligible deflection under load

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