Questions $(30\%)$

Fill in the blanks or circle the answer to each question referring to the problem above.

If the inner pipe is made of $2in.sch-40$ carbon steel instead of $3in,$ the total length of the pipe required will increase $q,$ or decreas $($Assuming other parameters remain the same.

If the inner pipe is made of $2in.$ sch$-40$ carbon steel instead of $3in.$ the flow velocity will increase $$ or decrease $q,($assuming other parameters remain the same$).$

If the fouling factors are $0\mathrm{.}003$ instead of $0\mathrm{.}002hf{t}^{2\text{@}}\frac{F}{B}tu,$ the total length of the pipe will increase, decrease, or remain the same.