A. Containing suspended solids flows at low velocity
B. Containing suspended solids flows at high velocity
C. Is highly viscous
D. Is of high specific gravity
A. Overall gas transfer units to the number of ideal trays required
B. Ideal trays required to the number of real trays required
C. Real trays required to the number of ideal trays required
D. None of these
A. An increase in liquid viscosity
B. An increase in relative volatility for rectification columns
C. Decrease in gas solubility for absorbers
D. All A., B. and C.
A. Hydrostatic head is required for refluxing the condensate
B. Only the function of condensation is to be carried out
C. Sub-cooling of condensate is desired
D. Both the functions of condensation & sub cooling are carried out in a single unit
A. pd/2t
B. pd/4t
C. pd/t
D. pd/3t
A. Centre to centre distance between two consecutives rivets in a row is called the pitch
B. A riveted joint made in overlapg plates is called butt joint
C. Hole size drilled in riveted plates is less than the actual size of the rivet
D. None of these
IA. D2
B. D5
C. D
D. D9
A. 0.01 – 0.5
B. 0.07 – 0.12
C. 0.5 – 1.0
D. 1 – 3
A. Radial
B. Circumferential tensile
C. Compressive
D. Longitudinal
A. 0.5″ -1.25″
B. 2″-3.5″
C. 5″
D. Half the tray spacing