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Chemical Engineering Basics

Chemical Engineering Basics
Factor of safety is the ratio of the __________ stress to the working stress.

Compressive
Tensile
Yield
Bearing

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Chemical Engineering Basics
Out of the following, the dimensionless quantity is

Specific weight
Viscosity
Density
Mach number

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Chemical Engineering Basics
In a casting, cold shut defect is caused by

Low pounhg temperature
Very low mould permeability
Melt-mould reactions
Faulty gating system

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

NaOH
H₂SO₄
HCl
NH₃

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Chemical Engineering Basics
Blast furnace slag is mainly molten

Iron pyrite
Sand
Calcium silicate
Magnesium silicate

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

Weight
Number
Radius
Volume

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