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Chemical Engineering Basics

Chemical Engineering Basics
Which of the following metals reacts violently with water ?

Calcium
Sodium
Mercury
Magnesium

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Chemical Engineering Basics
__________ of hard alloy and tool steel is done to make it easily machinable.

Annealing
Normalising
Tempering
Case carburising

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Chemical Engineering Basics
The basic function of the drum in a boiler is to

Separate steam from water
Act as a storage for feed water
Act as a storage for steam
Remove settling impurities from steam

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Chemical Engineering Basics
A cylinderical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is

0.44
0.25
0.33

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Chemical Engineering Basics
On increasing the yield strength of a steel from 450 to 650 MPa, its __________ will increase.

Ultimate tensile strength (UTS)
Modulus of resilience
Percent elongation
Modulus of toughness

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Chemical Engineering Basics
Lead is poured into the joint between two __________ pipes.

Asbestos cement
Mild steel
Cast iron
Concrete

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