Maximum water velocity in tubes of a 1-2 shell and tube heat exchanger may be around _____________ metres/second?

A. At high fluid velocity
B. At low velocity
C. When fluid flows past a smooth surface
D. None of these

A. Horizontal
B. Vertical
C. Inclined
D. Random

A. Smaller than
B. Greater than
C. Equal to
D. Not related with

A. T1 – T2
B. T1 – Ta
C. T2 – Ta
D. None of these

A. Conduction
B. Convection
C. Radiation
D. All A., B. & C.

A. Avoid cavitation
B. Avoid frequent priming
C. Create more suction head
D. None of these