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Process Equipment and Plant Design

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

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

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Process Equipment and Plant Design
__________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids.

Packed
None of these
Sieve plate
Bubble cap plate

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Process Equipment and Plant Design
In a __________ rivetted joint, the number of rivets decreases from the innermost row to the outermost row.

Zig-zag
Diamond
None of these
Chain

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Process Equipment and Plant Design
Diameter of the seive tray column is determined by the

Lower limit of vapour velocity
Upper limit of the vapour velocity
Height of the plate spacing
Hole diameter of the seive tray

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Process Equipment and Plant Design
The normal range of velocity of steam in pipes is __________ m/sec.

80-100
1-5
10-20
0.1-0.5

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

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

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