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Process Equipment and Plant Design

Process Equipment and Plant Design
In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.

None of these
Decreases
Remains same
Increases

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

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

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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

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

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Process Equipment and Plant Design
Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation?

McCabe-Thiele's method
Ponchon-Savarit method
Sorel-Lewis method
None of these

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Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of

3000
10000
5000
1000

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Process Equipment and Plant Design
Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid

Containing suspended solids flows at low velocity
Is highly viscous
Is of high specific gravity
Containing suspended solids flows at high velocity

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