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Chemical Engineering Basics

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

Heavy
Process
Electronic
Structural

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Chemical Engineering Basics
Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

Tensile
Fatigue
Creep
Endurance

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Chemical Engineering Basics
In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :

Blast of air
Rain of molten lead
Jet of water at high pressure
Mixture of water and air

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Chemical Engineering Basics
The basic function of the drum in a boiler is to

Remove settling impurities from steam
Separate steam from water
Act as a storage for feed water
Act as a storage for steam

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

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Chemical Engineering Basics
Brinell Hardness Number (BHN) for talc is approximately in the range of

100-150
1-5
20-30
200-250

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