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Detail Form
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1.
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.
2.
In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.
3.
Value of Peclet number = 0, is the representative of
4.
The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is __________ cms.
5.
Pick out the wrong statement pertaining to the design of a horizontal tube evaporator.
6.
A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of
7.
Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.
8.
A certain pressure vessel manufacturer avoids doing reinforcements calculations for openings by always providing a reinforcing pad extending upto double the diameter of the opening and of the same material and thickness as that of the shell wall. If area compensation is accepted as a code guideline, his approach leads to safe design
9.
__________ heat exchanger is also known as 'hair pin type' exchanger,
10.
__________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.).