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Process Equipment and Plant Design

Process Equipment and Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

1/2 and 8
1/2 and 5
1/64 and 1/8
1/8 and 1/64

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

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

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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

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

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Process Equipment and Plant Design
Baffle width is normally taken as __________ times the tank diameter.

0.2-0.45
0.45-0.6
0.4-0.5
0.1-0.12

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Process Equipment and Plant Design
For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by

Di, opt = 3.9 Q0.45 . ρ0.23
Di, opt = 7.6 Q0.36 . ρ0.9
Di, opt = 3 Q0.36 . ρ1.86 μ0.08
Di, opt = 3 Q0.36 ρ0.18

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

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

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