Maximum plate efficiency is achieved in case of ______________ flow?
Maximum plate efficiency is achieved in case of ______________ flow?
A. Split
B. Cross
C. Cascade
D. Reverse
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Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have ______________ roofs?
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have ______________ roofs?A. Conical
B. Flat
C. Floating
D. FixedNeedle valves are generally not used for___________________?
Needle valves are generally not used for___________________?A. Very large diameter pipes
B. High pressure throttling service
C. Very accurate flow control
D. Smaller sizes of pipeFor a cylindrical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness ?
For a cylindrical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness ?A. Hemispherical
B. Ellipsoidal (2 : 1)
C. Conical
D. Flat plateThe ratio, (propeller agitator dia/tank dia) is normally taken as____________________?
The ratio, (propeller agitator dia/tank dia) is normally taken as____________________?A. 0.15-030
B. 0.5-0.65
C. 0.75-0.85
D. 0.60-0.90_____________________ tray arrangement is recommended for distillation column having diameter upto 4 ft ?
_____________________ tray arrangement is recommended for distillation column having diameter upto 4 ft ?A. Radial flow
B. Cross flow
C. Split flow
D. CascadeRemovable connection of tubes to tube sheet is called___________________?
Removable connection of tubes to tube sheet is called___________________?A. Ferrule
B. Socket
C. Nipple
D. Saddle