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Chemical Engineering Basics

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

Volume
Number
Radius
Weight

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

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Chemical Engineering Basics
Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.

1493
723
959
1147

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

HCl
NaOH
H₂SO₄
NH₃

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Chemical Engineering Basics
Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

Conductor
None of these
Semi-conductor
Insulator

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Chemical Engineering Basics
1% concentration of water vapor in air is equivalent to __________ ppm (parts per million).

10000
1000
100
10

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