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Process Equipment and Plant Design

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

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

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Process Equipment and Plant Design
Needle valves are generally not used for

High pressure throttling service
Very large diameter pipes
Very accurate flow control
Smaller sizes of pipe

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Process Equipment and Plant Design
Welded joint efficiency in the design of chemical process equipment is taken as

0.55
0.85
0.95
0.75

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Process Equipment and Plant Design
In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes)

None of these
(D₂² - D₁²)/D₁²
D₂ - D₁
(D₂² - D₁²)/D₂²

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

Double pipe
Plate type
Regenerative
Finned

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Process Equipment and Plant Design
The safe distance of habitation from a hazardous chemical plant (TLV of its product < 1000 ppm) should be about __________ kms.

5
15
1
25

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