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Chemical Engineering - Process Equipment and Plant Design

Exercise : Process Equipment and Plant Design - Section 5
36.
Maximum plate efficiency is achieved in case of __________ flow.
split
cross
cascade
reverse
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
The LMTD correction factor (FT) is defined as the
ratio of true temperature difference to the LMTD.
ratio of LMTD to the true temperature difference.
differenced of true temperature difference and the LMTD.
geometric mean of the true temperature difference and the LMTD.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm.
equal to
half
one fourth
three fourth
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The ratio for the rate of washing to the final rate of filtration in a washing type of plate and frame filter is
0.25
0.50
0.75
1.25
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from
1.5-2.5
3.5-5.5
7.5-10.0
10-15
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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