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Process Equipment and Plant Design

Process Equipment and Plant Design
Friction factor for turbulent flow in a new pipe is given by

f = 0.22 NRe0.05
f = 0.04/NRe0.16
f = 25/NRe
f = 16/NRe

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Process Equipment and Plant Design
__________ shaped roof is most commonly used for cylindrical tanks.

Flat
Umbrella
Dome
Cone

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Process Equipment and Plant Design
Steam is preferred to be used as a heating medium in heat exchangers, because of its

High latent heat
Non-corrosive condensate
High film co-efficient
Low cost

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Process Equipment and Plant Design
Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns.

More
Either A or B; no generalisation can be made
Same
Less

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Process Equipment and Plant Design
In the agitators, the power required will be changed with the increase of diameter of agitator (D) as

D
D⁹
D⁵
D²

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Process Equipment and Plant Design
In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds.

8
80
1
180

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