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Process Equipment and Plant Design

Process Equipment and Plant Design
The maximum liquid gradient over a tray must not exceed

Half the tray spacing
5"
0.5" -1.25"
2"-3.5"

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Process Equipment and Plant Design
Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation?

Sorel-Lewis method
None of these
Ponchon-Savarit method
McCabe-Thiele's method

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Process Equipment and Plant Design
Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower?

Density and viscosity of fluids
Size, shape, orientation and surface of the packing particles
All of these
Fluid flow rates

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

Both B and C
A hold down bar
Rivets
Bolts

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Process Equipment and Plant Design
A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of

2
20.2
None of these
20.8

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

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

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