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Process Equipment and Plant Design

Process Equipment and Plant Design
For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm.

23
27
26
25

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Process Equipment and Plant Design
In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps.

1.3 to 2
1.6 to 2
1.5 to 3
2.5

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

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

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Process Equipment and Plant Design
In case of a continuous distillation column, increase in reflux ratio may result in the

All of these
Lower fixed charges for the column
Greater cost for the reboiler heat supply
Greater cost for the condenser coolant

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Process Equipment and Plant Design
Poisson's ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson's ratio for structural and pressure vessel steel may be taken as

0.75
0.95
0.01
0.3

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Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

43961
30-35
35-40
15-20

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