Chemical Engineering :: Process Equipment and Plant Design
-
In a pressure vessel containing multiple openings of various dimensions at different parts, stress concentration at the edges of the opening is maximum which becomes negligibly small beyond the area covered by __________ times the hole diameter.
-
Filtration rate is affected by the
-
Liquid gradient over a tray can be minimised by
-
In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes
-
for 90° elbow (medium radius) and 90°square elbow would be respectively around -
__________ heat exchanger is also known as 'hair pin type' exchanger,
-
In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around
-
Frame thickness in the plate and frame filter press is normally in the range of __________ inches.
-
Cylinderical shell thickness of rotary drier is generally __________ mm.
-
The ratio of lateral strain to linear strain is termed as the
Whatsapp
Facebook
|
A.
providing a higher skirt clearance or a higher weir.
|
|
B.
decreasing the number of rows of caps through which the liquid flows or by decreasing the velocity of liquid flow past the caps or by reducing the distance along the tray through which the liquid must flow.
|
|
C.
using split flow, radial flow or cascade flow for column diameter large than 4 ft.
|
|
D.
all (a), (b) and (c).
|