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Chemical Engineering Basics

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

Two
None of these
Three
One

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Chemical Engineering Basics
Ultimate strength in tension as compared to that in shear for steel is

One and half times
One fourth
One third
Half

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Chemical Engineering Basics
The main function of the deaerator used in the thermal power plant is to

Throttle down the steam pressure
Enhance feed water temperature
Remove non-condensable gases from condenser
Remove dissolved gases from feed-water

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Chemical Engineering Basics
Cold chiesel & hammers are made of

High carbon steel
High speed steel
Forged steel
Mild steel

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Chemical Engineering Basics
Milligram of KOH required to saponify 1 gm of oil is called its __________ number.

Precipitation
Emulsion
Acid
Saponification

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

Malleable
Nodular
Ductile
Grey

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