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Chemical Engineering Basics

Chemical Engineering Basics
Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

Green
Black
Silver grey
Yellow

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

Carbon
Phosphorous
Boron
Nitrogen

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Chemical Engineering Basics
Materials used for making permanent magnets containing iron and nickel are made by __________ technique.

Forging
Powder metallurgy
None of these
Casting

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Chemical Engineering Basics
Rain drops falling through atmospheric air attain limited terminal velocity, because of

Force of gravity
Upward thrust due to air
Viscous force exerted by air
Surface tension effects of water

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Chemical Engineering Basics
Super conduction in metals is observed at a temperature of __________ °K.

About 273
About 373
>100

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Chemical Engineering Basics
__________ is not a heat treatment process.

Pakerising
Austempering
Martempering
Cyaniding

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