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Process Equipment and Plant Design

Process Equipment and Plant Design
Movement of pipeline caused by thermal expansion is taken care by providing

Change in the shape of pipeline
Changes in its direction
Expansion joint
All of these

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Process Equipment and Plant Design
__________ closure is the weakest enclosure for cylindrical vessels.

Conical or flat plate
Torispherical
Elliptical
Hemispherical

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Process Equipment and Plant Design
Cylinderical shell thickness of rotary drier is generally __________ mm.

44180
18-22
43990
43864

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Process Equipment and Plant Design
Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns.

Less
More
Either A or B; no generalisation can be made
Same

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Process Equipment and Plant Design
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

All of these
An increase in liquid viscosity
An increase in relatived volatility for rectification columns
Decrease in gas solubility for absorbers

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Process Equipment and Plant Design
At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure

May increase or decrease depending upon the solubility of the gas in the liquid
Decreases
Remains same
Increases

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