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Process Equipment and Plant Design

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/P
√A
4 P/A
4 A/P

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Process Equipment and Plant Design
In case of saddle packing (e.g., berl and intralox saddles), the maximum size of the packing should not exceed __________ of the column diameter.

l/5th
l/15th
l/50th
l/30th

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Process Equipment and Plant Design
The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress.

None of these
Damaging
Allowable
Working

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Process Equipment and Plant Design
Slope of countercurrent flow rotary drier is in the range of __________ meter/metre.

0 to 1.5
0 to 2.2
0 to 0.8
0 to 0.08

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Process Equipment and Plant Design
Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

I.D. of the shell
25 cms
40% of the I.D. of the shell
5 cms

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Process Equipment and Plant Design
The raio, (properller agitator dia/tank dia) is normally taken as

0.75-0.85
0.15-030
0.60-0.90
0.5-0.65

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