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Chemical Engineering Basics

Chemical Engineering Basics
Atomic __________ of an element is a whole number.

Weight
Volume
Number
Radius

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Chemical Engineering Basics
Circulation of liquid metal (i.e. molten sodium) in a liquid metal cooled nuclear reactor is done by a/an __________ pump.

Diaphragm
Electromagnetic
Reciprocating
Axial flow

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Chemical Engineering Basics
__________ is the most suitable lubricant for drawing mild steel wires?

Lime water
Sodium stearate
Water
Kerosene

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

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

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Chemical Engineering Basics
Free oxygen is removed from boiler feed water, because it

Is corrosive
Reduces heat transfer co-efficient
Causes explosion
None of these

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Chemical Engineering Basics
In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :

Jet of water at high pressure
Rain of molten lead
Mixture of water and air
Blast of air

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