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Chemical Engineering Basics

Chemical Engineering Basics
Unit of viscosity in CGS system is

Gm .cm⁻¹ sec⁻¹
Gm . cm² . sec⁻²
Gm .cm⁻², sec⁻¹
Gm . cm . sec⁻¹

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Chemical Engineering Basics
Which of the following heat treatment processes is usually applied to castings ?

Normalising
Annealing
Tempering
Carburising

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Chemical Engineering Basics
The weight of a body at the centre of the earth is

None of these
Same as on the surface of the earth
Zero
Infinite

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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
23/2

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Chemical Engineering Basics
Buoyancy force depends on the __________ the liquid.

Depth of immersion in
Displaced mass of
Viscosity of
Surface tension of

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Chemical Engineering Basics
When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

Increases & decreases
Increases & increases
Decreases & increases
Decreases & decreases

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