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Process Equipment and Plant Design

Process Equipment and Plant Design
The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches.

34
24
18
6

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Process Equipment and Plant Design
__________ heat exchanger is also known as 'hair pin type' exchanger,

Regenerative
Finned
Double pipe
Plate type

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Process Equipment and Plant Design
For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used?

0.9
0.8
1
(0.8)0.5

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Process Equipment and Plant Design
Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.

75
50
150
25

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Process Equipment and Plant Design
The thermal stress in a metallic bar does not depend upon the

Both A & B
Neither A nor B
Changes in temperature
Cross-sectional area

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Process Equipment and Plant Design
Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm.

0.1 to 2
5 to 7
8 to 15
3 to 8

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