Chemical Engineering > GATE 2015 > Friction Factor and Drag Coefficient
For Fanning friction factor f (for flow in pipes) and drag coefficient CD (for flow over immersed bodies), which of the following statements are true?
P: f accounts only for the skin friction
Q: CD accounts only for the form friction
R: CD accounts for both skin friction and form friction
S: Both f and CD depend on the Reynolds number
T: For laminar flow through a pipe, f doubles on doubling the volumetric flow rate
P: f accounts only for the skin friction
Q: CD accounts only for the form friction
R: CD accounts for both skin friction and form friction
S: Both f and CD depend on the Reynolds number
T: For laminar flow through a pipe, f doubles on doubling the volumetric flow rate
Correct : c
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