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Chemical Engineering Basics

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

Three
Two
None of these
One

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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

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

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Chemical Engineering Basics
In the Bayer's process, bauxite is digested under pressure using

NaOH
NH₃
HCl
H₂SO₄

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Chemical Engineering Basics
Out of the following, which will fracture most readity, when hit with a hard hammer ?

Bronze
Brass
German silver
Cast iron

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Chemical Engineering Basics
Copper is not present as an alloying constituent in

Constantan
Silicon bronze
Nichrome
Delta metal

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

Grey
Nodular
Malleable
Ductile

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