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Process Equipment and Plant Design

Process Equipment and Plant Design
To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to

D
2.5 d
0.5 d
1.5 d

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Process Equipment and Plant Design
Thickness of the frame of a plate and frame filter as compared to that of plates is

Less
More
Either A or B
Same

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Process Equipment and Plant Design
Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column.

600 to 700
50 to 100
250 to 500
100 to 150

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Process Equipment and Plant Design
An underdesigned steam trap will

Destroy itself of acceleration wear due to rapid recycling
Waste steam
None of these
Back up condensate and cause water hammer in steam line

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Process Equipment and Plant Design
For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by

Di, opt = 7.6 Q0.36 . ρ0.9
Di, opt = 3 Q0.36 . ρ1.86 μ0.08
Di, opt = 3 Q0.36 ρ0.18
Di, opt = 3.9 Q0.45 . ρ0.23

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Process Equipment and Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

1/8 and 1/64
1/64 and 1/8
1/2 and 5
1/2 and 8

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