The force due to wind load acting on a tall vessel depends upon its shape. outsi

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Question
The force due to wind load acting on a tall vessel depends upon its
Options
A. shape.
B. outside diameter.
C. height.
D. all (a), (b) & (c).

Correct Answer

all (a), (b) & (c).

Process Equipment and Plant Design problems

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1. Liquid gradient over the tray results due to the
Options
A. resistance offered to flow of liquids by caps & risers and the flow of gas.
B. low gas velocity.
C. large plate spacing.
D. large reflux ratio.

3. In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube?
Options
A. Long tube vertical evaporator
B. Short tube vertical evaporator
C. Horizontal tube evaporator
D. None of these

4. Which of the following is the most common type of baffle used in industrial shell and tube heat exchanger?
Options
A. 75% cut segmental baffle.
B. 25% cut segmental baffle.
C. Orifice baffle.
D. Disk and doughnut baffle.

5. In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area.
Options
A. 0.5 to 1.5
B. 2.5 to 4.0
C. 5 to 10
D. 10 to 15

6. Pick out the wrong statement.
Options
A. An air cooled finned pipe is diagram-matically represented by
B. A heat exchanger is diagrammatically represented by
C. A 90� welded elbow is diagrammatically represented by
D. A pipe still heater is diagrammatically represented by

8. A cylinderical pressure vessel of volume 6 ?m³ has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm² and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to
Options
A. 5 mm
B. 6 mm
C. 8 mm
D. 10 mm

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