Chemical Engineering - Process Equipment and Plant Design

1. 

Power required for agitation depends upon the

A. height & properties of the liquid.
B. agitator type & speed of agitation.
C. size of agitator & the tank.
D. all (a), (b) and (c).

Answer: Option D

Explanation:

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2. 

Tube height in a calendria type evaporator is normally less than __________ metres.

A. 1
B. 2
C. 3.5
D. 5.5

Answer: Option B

Explanation:

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3. 

Pick out the wrong statement.

A. Lug supports are less expensive than other type of supports.
B. A pipe is differentiated from a tube by the fact that a pipe has a greater wall thickness compared to the tube.
C. A reducer is used to change the direction of a pipe in a straight run.
D. The method of fixing tubes to a tube sheet by expanding is called 'tube rolling'.

Answer: Option C

Explanation:

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4. 

For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm.

A. 25
B. 23
C. 26
D. 27

Answer: Option B

Explanation:

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5. 

In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

A.
B.
C.
D. πd/4P2

Answer: Option A

Explanation:

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