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Chemical Engineering Basics

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

21/3
25/2
23/2
23

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

80
70
25
50

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Chemical Engineering Basics
Source of heat supply in a cupola is

Charcoal
Pulverised coal
Lumpy coal
Coke

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

Structural
Electronic
Heavy
Process

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Chemical Engineering Basics
A psychrometer does not measure the __________ temperature of moist air.

Wet bulb
None of these
Dry bulb
Dew point

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Chemical Engineering Basics
A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

400
150
200
300

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