PROCESS EQUIPMENT AND PLANT DESIGN QUIZ

Neither A nor B

Both A & B

Layout

Pitch

(ph - dh . dt/2)/ph

(ph - dh)/dh

(ph - dh)/ph

(ph - dt)/ph

One-fourth of

2.5 times

1.25-1.50 times

Less than

Long tube vertical evaporator

Short tube vertical evaporator

None of these

Horizontal tube evaporator

Increase the residence time

Improve the flow condition

Facilitate handling of large flow rate of liquid

Decrease the pressure drop

If sufficient slot area is not provided, the gas may pass through the skirt clearance

Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up

The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles

None of these

Nipple

Saddle

Ferrule

Socket

0.5 - 1.0

0.01 - 0.5

0.07 - 0.12

43833

2

10

5

15

10 to 15

2.5 to 5

5 to 10

1.5 to 2