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Process Equipment and Plant Design

Process Equipment and Plant Design
In a __________ rivetted joint, the rivets in the various rows are opposite to each other.

Zig-zag
Chain
Diamond
None of these

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Process Equipment and Plant Design
25 per cent cut segmental baffle means that the baffle

Width is 25% of its height
Spacing is 75% of its height
Height is 75% of the I.D. of the shell
Height is 25% of the I.D. of the shell

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Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

60
80
95
45

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Process Equipment and Plant Design
The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing.

20-40
43835
100-150
1000-1500

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Process Equipment and Plant Design
Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer).

250
650
450
750

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Process Equipment and Plant Design
What is the value of 'q' for saturated vapor feed to a distillation column ?(where q = fraction of the feed stream that is liquid.)

> 1
1

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