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Process Equipment and Plant Design

Process Equipment and Plant Design
Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer).

750
650
450
250

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Process Equipment and Plant Design
Cylindrical pressure vessels in horizontal condition is generally supported on a __________ support.

Lug
Skirt
Guy wire
Saddle

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Process Equipment and Plant Design
__________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.).

Hemispherical
Conical
Ellipsoidal
Dished

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Process Equipment and Plant Design
In the design of a bag filter, the gas temperature is an important consideration, as it affects the

Gas viscosity
All of these
Gas density
Fibre selection

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Process Equipment and Plant Design
In packed towers provided with saddle packing, liquid redistributors are positioned at every __________ times column diameter or 6 metres whichever is less.

20-25
43864
44119
43959

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Process Equipment and Plant Design
Which of the following efficiencies can be greater than 100%?

Overall plate efficiency
Murphree plate efficiency
Point efficiency
None of these

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