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Chemical Engineering Basics

Chemical Engineering Basics
Nitrogen is not an essential component of

Any of these
Protein
Oils & fats
Urea

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

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

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Chemical Engineering Basics
Steel produced from phosphatic iron is __________ in nature.

Brittle
Malleable
Tough
Ductile

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Chemical Engineering Basics
__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

Beryllia
Magnesia
Zirconia
Alumina

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Chemical Engineering Basics
There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.

Three
One
Two
None of these

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Chemical Engineering Basics
__________ is the most important element, which controls the physical properties of steel.

Silicon
Manganese
Carbon
Vanadium

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