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Chemical Engineering Basics

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

Malleable
Brittle
Tough
Ductile

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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
Convection
Conduction
Both A & B

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Chemical Engineering Basics
Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is

2CaO . SiO₂
3CaO . Al2O₃
3CaO . SiO₂
5CaO . 3 Al2O₃

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Chemical Engineering Basics
Lead is poured into the joints between two __________ pipes.

Steel
Concrete
Cast iron
Plastic

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Chemical Engineering Basics
Pick out the wrong statement. If the net positive suction head (NPSH) requirement of a pump is not satisfied, then

It will be cavitated
Its efficiency will not be affected
It will not develop sufficient head to raise water
It will deliver low discharge of liquid

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Chemical Engineering Basics
First empirical temperature scale conceived is the __________ temperature scale.

Farenhite
Absolute
Reaumer
Celcius

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