Process Equipment and Plant Design
Power required for agitation depends upon the

Agitator type & speed of agitation
Height & properties of the liquid
Size of agitator & the tank
All of these

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP