Related Questions

If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of
A D/2 or minimum 2" to 5D
B D/5 or minimum 2" to 5D
C D/5 or minimum 2" to D
D None of these
In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger.
A Once
B Twice
C Thrice
D Four times
Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter)
A 0.2 D
B 0.5 D
C 0.66 D
D 0.80 D
Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter )
A 0.2 D
B 0.5 D
C 0.66 D
D 0.80 D
Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is
A Finned tube heat exchanger with air inside and steam outside
B Finned tube heat exchanger with air outside and steam inside
C Shell and tube heat exchanger with air inside tubes and steam on shell side
D Shell and tube heat exchanger with air on shell side and steam inside tubes
If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid
A Remains unchanged
B Increases
C Increases or decreases depending on number of shell passes
D Decreases
Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to
A 5 cms
B 40% of the I.D. of the shell
C 25 cms
D I.D. of the shell
In case of a multipass shell and tube heat exchanger, providing a baffle on the shell side __________ the heat transfer rate.
A Increases
B Decreases
C Does not affect
D May increase or decrease, depends on the type of baffle
The shell side pressure drop in a shell and tube heat exchanger is maximum for __________ baffle.
A Disk and ring
B Segmental
C Orifice
D Independent of the type of
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.
A 3-5
B 5-11
C 8-15
D 12-18

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