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Chemical Engineering Basics

Chemical Engineering Basics
The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is

Bright annealing
None of these
Full annealing
Patenting

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Chemical Engineering Basics
Function of feed check valve in a boiler is to

Facilitate circulation of high pressure feed water
Check the water level in the boiler drum
Regulate the water flow to boiler
Prevent the back flow of water

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Chemical Engineering Basics
Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

Endurance
Fatigue
Creep
Tensile

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Chemical Engineering Basics
Unit of viscosity in CGS system is

Gm . cm . sec⁻¹
Gm .cm⁻¹ sec⁻¹
Gm . cm² . sec⁻²
Gm .cm⁻², sec⁻¹

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

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

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Chemical Engineering Basics
Chlorine acts as a bleaching agent only in the presence of

Moisture
Sunlight
Dry air
Pure oxygen

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