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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

23
23/2
25/2
21/3

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Chemical Engineering Basics
Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

0.084027777777778
0.042361111111111
0.043055555555556
0.044444444444444

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Chemical Engineering Basics
Chlorine acts as a bleaching agent only in the presence of

Moisture
Dry air
Pure oxygen
Sunlight

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Chemical Engineering Basics
A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

Steel
Rubber
Glass
Brass

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

Cast iron
Mild steel
Asbestos cement
Concrete

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Chemical Engineering Basics
Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

1.5
3
7
5

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