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Process Equipment and Plant Design

Process Equipment and Plant Design
The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

0.5 to 1
1 to 1.5
1.5 to 2
2 to 2.5

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Process Equipment and Plant Design
Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness.

10 to 20
1 to 5
40 to 50
30 to 40

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Process Equipment and Plant Design
In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by

4(0.86p² - πd²)/πd
(p² - πd²/4)/πd
4(0.86p² - πd²/4)/πd
(4p² - πd²/4)/πd

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Process Equipment and Plant Design
The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from

6 to 12
2 to 3
3 to 5
4 to 8

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Process Equipment and Plant Design
Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm.

5 to 7
0.1 to 2
8 to 15
3 to 8

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Process Equipment and Plant Design
In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.

Less than
One-fourth of
1.25-1.50 times
2.5 times

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