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Process Equipment and Plant Design

Process Equipment and Plant Design
Le/D for a Tee (used as elbow, entering run) would be around

5
350
60
200

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Process Equipment and Plant Design
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

√A
A/P
4 P/A
4 A/P

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Process Equipment and Plant Design
The normal range of velocity of water in pipes is __________ m/sec.

0.1-0.5
15-30
10-50
1-2

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Process Equipment and Plant Design
Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise.

1500
300
1000
600

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Process Equipment and Plant Design
Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid

Containing suspended solids flows at low velocity
Containing suspended solids flows at high velocity
Is of high specific gravity
Is highly viscous

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Process Equipment and Plant Design
Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Δp = 1/G0.6
Δp = G
Δp = G2
Δp = G0.5

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