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Process Equipment and Plant Design

Process Equipment and Plant Design
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

0.3 to 0.8
44055
1.25 to 3.125
3.5 to 7.0

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Process Equipment and Plant Design
With increase in the number of shell passes, the value of FT

Decreases
Increases
Remains same
Remains same, only if the number of tube passes does not change

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Process Equipment and Plant Design
In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about __________ cms.

20
30
35
10

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Process Equipment and Plant Design
Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids.

19
16
38
28

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Process Equipment and Plant Design
The thermal stress in a metallic bar does not depend upon the

Changes in temperature
Neither A nor B
Both A & B
Cross-sectional area

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Process Equipment and Plant Design
Bubble cap plate column is

A finite stage contactor
Used only for distillation, not for absorption
A differential stage contactor
A continuous contactor

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