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Process Equipment and Plant Design

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.

43929
52-68
88-105
17-34

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Process Equipment and Plant Design
Vertical storage vessels are never supported by __________ support.

Lug
Saddle
Skirt
Bracket

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Process Equipment and Plant Design
Le/D for fully open gate valves would be

Much less (say 2% than that for fully open globe valves)
Around 7
Both B and C
Much more than that for fully open globe valves

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Process Equipment and Plant Design
Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always

More than geometric mean value
Less than arithmetic mean value
More than arithmetic mean value
Both B & C

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Process Equipment and Plant Design
With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will

Remain unaffected
Decrease
Increase
Increase or decrease depending on the nature of the dust

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Process Equipment and Plant Design
Slope of countercurrent flow rotary drier is in the range of __________ meter/metre.

0 to 1.5
0 to 2.2
0 to 0.8
0 to 0.08

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