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Process Equipment and Plant Design

Process Equipment and Plant Design
Maximum acceptable total liquid gradient over a tray is about __________ mm.

45.5
5.5
30.5
12.5

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

Double pipe
Finned
Plate type
Regenerative

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Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

88-105
17-34
52-68
43929

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Process Equipment and Plant Design
Le/D for a Tee (used as elbow, entering branch) would be

More than that for Tee (used as elbow, entering run)
Both B and C
Around 90
Less than that for Tee (used as elbow, entering run)

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Process Equipment and Plant Design
In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

2.5
3.5
1.5
0.5

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Process Equipment and Plant Design
Which of the following is used to set the diameter of the distillation column?

Length of straight rectangular weir on cross-flow tray
Allowable vapour velocity
Number of theorectical plates
Static submergence

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