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Chemical Engineering - Heat Transfer

Exercise : Heat Transfer - Section 7
21.
Duhring rule is important in solving problems on
distillation
crystallisation
evaporation
humidification
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
In a shell and tube heat exchanger, the height of 25 percent cut baffles is equal to (where, D = inside diameter of shell)
0.25 D
0.75 D
0.50 D
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Multiple effect evaporation is generally recommended, when the
large scale evaporation of liquor is needed.
corrosive liquids are to be concentrated.
fuel is cheaply available.
evaporation on small scale is to be done.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8.
20.8
40.8
40.4
20.4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
__________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side.
Single pass, fixed tube sheet
U-tube
Three pass, fixed tube sheet
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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