In a heat exchanger, shell side fluid velocity can be changed by changing the tube _______________________?

A. 2
B. 20.8
C. 20.2
D. None of these

A. Hydrostatic head is required for refluxing the condensate
B. Only the function of condensation is to be carried out
C. Sub-cooling of condensate is desired
D. Both the functions of condensation & sub cooling are carried out in a single unit

A. 0.01 – 0.5
B. 0.07 – 0.12
C. 0.5 – 1.0
D. 1 – 3

A. Increases
B. Decreases
C. Remains same
D. None of these

A. 0.1 to 0.25
B. 0.3 to 0.5
C. 0.5 to 0.6
D. 0.65 to 0.80

A. 1 to 5
B. 10 to 20
C. 30 to 40
D. 40 to 50