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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
Chlorine acts as a bleaching agent only in the presence of

Sunlight
Pure oxygen
Dry air
Moisture

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Chemical Engineering Basics
If the head is doubled in & centrifugal pump, the power required will increase in the ratio of

23/2
25/2
23
21/3

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Chemical Engineering Basics
Steel produced from phosphatic iron is __________ in nature.

Brittle
Ductile
Malleable
Tough

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Chemical Engineering Basics
Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.

Rockwell
Knoop
Brinell
Vicker's

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Chemical Engineering Basics
Milligram of KOH required to saponify 1 gm of oil is called its __________ number.

Precipitation
Emulsion
Acid
Saponification

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