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Process Equipment and Plant Design

Process Equipment and Plant Design
The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate.

4
43834
43832
2

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Process Equipment and Plant Design
A pipe is generally made of circular cross-section, because a circular cross-section has the

None of these
Higher structural strength
Lowest surface area requirement for a given volume
Both A & B

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Process Equipment and Plant Design
A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap.

95
76
38
19

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Process Equipment and Plant Design
The units of Young's modulus of elasticity and __________ are the same.

Strain
Stress
None of these
Modular ratio

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Process Equipment and Plant Design
Friction factor for turbulent flow in a new pipe is given by

f = 0.22 NRe0.05
f = 25/NRe
f = 0.04/NRe0.16
f = 16/NRe

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Process Equipment and Plant Design
Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is

Same
Less
About 3 times
About 0.33 times

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