PROCESS EQUIPMENT AND PLANT DESIGN QUIZ

The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute.

5 to 10

15 to 30

40 to 50

55 to 75

TRUE ANSWER : ?
YOUR ANSWER : ?

Length to diameter ratio of most rotary driers is in the range of

20 to 30

10 to 20

4 to 10

1 to 2

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Thickness of spherical shell is half that of the cylinderical vessel under same operating pressure condition. Besides, the ratio of surface area to volume is less for sphere than any other shape ; hen

Horton sphere is used for the storage of gases and volatile liquid at a moderate pressure of 1 to 10 kg/cm²

Horton sphere is used for the storage of liquid at sub-zero temperature at very high pressure upto 200 kg/cm²

Diameter of Horton sphere is normally 6 to 25 metres and it is supported by 6 to 12 nos. tubular or rolled section column

TRUE ANSWER : ?
YOUR ANSWER : ?

The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line)

S₁/S₂

S₁.S₂

1/S₁.S₂

S₂/S₁

TRUE ANSWER : ?
YOUR ANSWER : ?

Skirt support is the most suitable for supporting __________ vessels.

Small horizontal

Thick walled

Tall vertical

Large horizontal

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following material is seldom used for pressure vessel construction?

Semi-killed steel

Mild steel

Rimmed still

Killed steel

TRUE ANSWER : ?
YOUR ANSWER : ?

Lug support is meant for supporting __________ vessels.

Tall but empty

Small

Thick walled tall

Large horizontal cylindrical

TRUE ANSWER : ?
YOUR ANSWER : ?

Saddle supports are used for supporting __________ vessels.

Thick spherical

Thick walled vertical

Tall vertical

Horizontal cylinderical

TRUE ANSWER : ?
YOUR ANSWER : ?

The normal range of velocity of water in pipes is __________ m/sec.

10-50

1-2

15-30

0.1-0.5

TRUE ANSWER : ?
YOUR ANSWER : ?

Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.

Fixed

Conical

Floating

Flat

TRUE ANSWER : ?
YOUR ANSWER : ?