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Process Equipment and Plant Design

Process Equipment and Plant Design
Height of the flights in the rotary drier is in the range of

0.08 to 0.12 d
0.02 to 0.05 d
0.2 to 0.5 d
0.5 to 0.6 d

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Process Equipment and Plant Design
Apex angle of conical heads used in the bottom heads of chemical process equipments is usually

75°
30°
45°
60°

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Process Equipment and Plant Design
Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate?

Triangular pitch
Heat transfer rate is independent of tube arrangement
Square pitch
Diagonal square pitch

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Process Equipment and Plant Design
Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from

3.5-5.5
1.5-2.5
44119
7.5-10.0

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Process Equipment and Plant Design
In distillation columns, bubble caps are held in place over trays by

Rivets
Bolts
Both B and C
A hold down bar

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Process Equipment and Plant Design
Cylinderical shell thickness of rotary drier is generally __________ mm.

18-22
43864
44180
43990

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