Process Equipment and Plant Design

1. "A claming section" before the liquid flows into the downcomer is provided to

1. Permit release of entrained vapour in the liquid
2. Reduce the discharge fluctuation
3. Ensure better vapour-liquid contact
4. Cool the liquid before it flows down

View answer

2. _________ closure is the weakest enclosure for cylindrical vessels.

1. Hemispherical
2. Torispherical
3. Conical or flat plate
4. Elliptical

View answer

3. _________ dished head is the strongest of all.

1. Hemispherical
2. Elliptical
3. Torispherical
4. None of these

View answer

4. _________ head is the most economical for cylindrical vessels designed for operating at high pressure ( > 15 atm.).

1. Hemispherical
2. Dished
3. Ellipsoidal
4. Conical

View answer

5. _________ heat exchanger is also known as 'hair pin type' exchanger,

1. Double pipe
2. Finned
3. Plate type
4. Regenerative

View answer

6. _________ is the determining factor for the number of bubble caps to be used per tray.

1. Permissible slot velocity
2. Tray diameter
3. Liquid load
4. Vapor load

View answer

7. _________ liquor is best handled in a long tube vertical evaporator.

1. Foamy
2. Scaling
3. Viscous
4. Salting

View answer

8. _________ of water makes it a widely used coolant in heat exchangers.

1. Low corrosiveness
2. Low dirt factor
3. High specific heat
4. Low viscosity

View answer

9. _________ shaped roof is most commonly used for cylindrical tanks.

1. Cone
2. Dome
3. Umbrella
4. Flat

View answer

10. _________ shaped roof is the most commonly used roof for cylindrical storage tanks.

1. Conical
2. Flat
3. Dome
4. Umbrella

View answer