Process Equipment and Plant Design

For pipe flows, head is proportional to ______________ at constant capacity (where D = pipe diameter) ?

Byadmin March 2, 2019August 23, 2021

For pipe flows, head is proportional to ______________ at constant capacity (where D = pipe diameter) ?

A. 1/D
B. 1/D2
C. 1/D5
D. D2

Process Equipment and Plant Design

Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than ______________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop?

Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than ______________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop?

A. 25
B. 50
C. 75
D. 150

Read More Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than ______________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop?
Process Equipment and Plant Design

When one of the fluids is highly corrosive and has fouling tendency, it should_____________________?

When one of the fluids is highly corrosive and has fouling tendency, it should_____________________?

A. Preferably flow inside the tube for its easier internal cleaning
B. Preferably flow outside the tube
C. Flow at a very slow velocity
D. Flow outside the tube, when the flow is counter-current and inside the tube when the flow is
co-current

Read More When one of the fluids is highly corrosive and has fouling tendency, it should_____________________?
Process Equipment and Plant Design

In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a __________________?

In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a __________________?

A. Clearance of 25-75 mm
B. Cap pitch of 1.3-2 times the cap diameter
C. Either A. or B.
D. Neither A. nor B.

Read More In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a __________________?
Process Equipment and Plant Design

The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is_________________?

The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is_________________?

A. < 30
B. < 7
C. > 7 20 < 50

Read More The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is_________________?
Process Equipment and Plant Design

____________ is the determining factor for the number of bubble caps to be used per tray?

____________ is the determining factor for the number of bubble caps to be used per tray?

A. Permissible slot velocity
B. Tray diameter
C. Liquid load
D. Vapor load

Read More ____________ is the determining factor for the number of bubble caps to be used per tray?
Process Equipment and Plant Design

A minimum clearance of about _______________ mm is maintained between the distillation column wall and the bubble cap?

A minimum clearance of about _______________ mm is maintained between the distillation column wall and the bubble cap?

A. 19
B. 38
C. 67
D. 95

Read More A minimum clearance of about _______________ mm is maintained between the distillation column wall and the bubble cap?