Related Questions

Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?
A Segmental baffle
B Flat plate extending across the wall
C Disk type baffle
D Helical type baffle
The main function of baffles provided in a shell and tube heat exchanger is to
A Facilitate the cleaning of outer tube surface
B Enhance turbulence
C Hold the tubes in position
D All of the above
Baffles in the shell side of a shell and tube heat exchanger
A Increase the cross-section of the shell side liquid
B Force the liquid to flow parallel to the bank
C Increase the shell side heat transfer co-efficient
D Decrease the shell side heat transfer co-efficient
In a shell and tube heat exchanger, baffles are provided on the shell side to
A Improve heat transfer
B Provide support for tubes
C Prevent stagnation of shell side fluid
D All of these
Baffles provided on the shell side of a shell and tube heat exchanger are meant for
A Providing support for the tubes
B Improving heat transfer
C Both A & B
D Preventing the fouling of tubes & stagnation of shell side fluid
Baffles in mixing tanks are provided to
A Reduce swirling and vortex formation
B Increase the structural strength of the tank
C Aid in rotational flow
D None of these
Baffles are provided in heat exchangers to increase the
A Fouling factor
B Heat transfer area
C Heat transfer co-efficient
D Heat transfer rate
Use of transverse baffles in a shell and tube heat exchanger is done to increase the
A Rate of heat transfer
B Flow velocity
C Turbulence of shell side fluid
D All of the above
In most of the mechanically agitated liquid-liquid extractors, baffles or horizontal compartmental plates are provided, which helps in
A Reducing the axial mixing
B Increasing the rate of extraction
C Maintaining the concentration difference between the two phases
D All of the above
__________ baffles are provided in ball mills.
A Horizontal
B No
C Only two
D None of these

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