Process Equipment and Plant Design
Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger

Permits the use of less tubes in a given shell diameter
Permits the use of more tubes in a given shell diameter
Both B and C
Facilitates comparatively easier external cleaning because of large clearance

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles?

To reduce the induced vibration in the tubes
To provide support to the tube bundle
To increase the tube side heat transfer co-efficient by inducing turbulence
To increase the residence time of shell side fluid

ANSWER DOWNLOAD EXAMIANS APP