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Process Equipment and Plant Design

Process Equipment and Plant Design
Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate.

8
2
4
1/2

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Process Equipment and Plant Design
Hold up of material in a operating rotary drier is in the range of

0.8 to 0.9
0.05 to 0.15
0.5 to 0.8
0.25 to 0.50

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Process Equipment and Plant Design
Cooling water fouling factors vary in the range of 0.001 to 0.003

(BTU/hr.ft² . °F)⁻¹
(W/m².°K)⁻¹
(kcal/hr.m² .°C)⁻¹
(kcal/hr. m. °C)⁻¹

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Process Equipment and Plant Design
To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to

1.5 d
0.5 d
2.5 d
D

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Process Equipment and Plant Design
The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called

Skirt clearance
Static submergence
Downcomer liquid seal
None of these

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Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

43961
500-1500
1500-2500
50-150

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