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Chemical Engineering Basics

Chemical Engineering Basics
Which of the following contributes maximum as main source of sulphur in the blast furnace charge ?

Sinter
Coke
Iron ore
Limestone

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Chemical Engineering Basics
Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.

Pearlite
Martensite
Cementite
Austenite

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Chemical Engineering Basics
Dies for wire drawing are generally made of

High carbon steel
Stainless steel
Mild steel
Carbides

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Chemical Engineering Basics
Lime contains about 90% CaO. Percentage CaO present in limestone is about

50
80
70
25

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Chemical Engineering Basics
Laser welding is widely employed in the __________ industries.

Structural
Electronic
Process
Heavy

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Chemical Engineering Basics
The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is

Radiation
Both A & B
Convection
Conduction

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