Consider we have a Double Pipe Heat Exchanger, with the inner tube of Outer diameter 20mm(thickness 2mm) and outer tube of inner diameter 30mm. We have two fluids A & B, both of density 990 Kg/m3, we desire to have their flow rates as 15m/s and 21 m/s respectively, friction factor of 0.00096 and length of the tube as 1metre. What is the value of Pressure drop for the inner tube?

Consider we have a Double Pipe Heat Exchanger, with the inner tube of

1.	Consider we have a Double Pipe Heat Exchanger, with the inner tube of Outer diameter 20mm(thickness 2mm) and outer tube of inner diameter 30mm. We have two fluids A & B, both of density 990 Kg/m3, we desire to have their flow rates as 15m/s and 21 m/s respectively, friction factor of 0.00096 and length of the tube as 1metre. What is the value of Pressure drop for the inner tube?
A.	25 KPa
B.	20 KPa
C.	27 KPa
D.	35 KPa
Answer» D. 35 KPa

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