If the Heat Transfer area for a Shell and tube heat exchanger is 15100mm2, and the radius of the tubes is 30mm, then what is the number of hairpins required if its single pass length is 4cm?

If the Heat Transfer area for a Shell and tube heat exchanger is 15100

1.	If the Heat Transfer area for a Shell and tube heat exchanger is 15100mm2, and the radius of the tubes is 30mm, then what is the number of hairpins required if its single pass length is 4cm?
A.	1
B.	2
C.	3
D.	4
Answer» C.