Related Questions

Flooding in a distillation column is detected by a sharp
A Increase in Murphree plate efficiency
B Decrease in pressure drop
C Decrease in liquid hold up in the coloumn
D Increase in pressure drop
Vapor velocity in a distillation column for non-foaming mixture is in the range of __________ times the flooding velocity.
A 0.1 to 0.3
B 0.6 to 0.7
C 0.85 to 0.95
D 1.5 to 2
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.
A 45
B 60
C 80
D 95
In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing.
A 25-50
B 50-75
C 200-250
D 750-1000
Flooding results in
A High tray efficiency
B Low tray efficiency
C High gas velocity
D Good contact between the fluids
According to Euler's column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends.
A Equal to
B Two times
C Four times
D Eight times
-Column row+Column row+Column row এই ফরমূলা কিসের?
A ভাগ এর
B যোগ এর
C গুণ এর
D বিয়োগ এর
The average of 17 results is 60. If the average of first 9 results is 57 and that of the last 9 results is 65, then what will be the value of 9th result?
A 39
B 78
C 117
D 156
Category One storms ----- have some coastal road flooding and minor pier damage. (Select the word/phrase that appropriately fills in the gap)
A will
B don't
C shouldn't
D never
By this time ----P. at the railway station Q. reported mass looking R. reports of violence were flooding in S. while police dispatches
A RSQP
B RSPQ
C SPRQ
D SQRP

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