1. For the same b and (see sketches in Table 8.2 for definitions), the cell density nc of a…

1. For the same b and  (see sketches in Table 8.2 for
definitions), the cell density nc of a regenerator of square passages compared
to hexagonal passages is:

(a) higher (b) the same

(c) lower (d) can’t tell

2. The total number of tubes in a shell-and-tube exchanger
is dependent on the:

(a) tube diameter (b) tube pitch

(c) number of tube passes (d) tube length

(e) type of floating head (f ) tube sheet thickness