Hydraulics & Fluid Mechanics
The discharge of a liquid of kinematic viscosity 4 cm²/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is

TURBULENT FLOW
LAMINAR FLOW
NOT PREDICTABLE FROM THE GIVEN DATA
TRANSITION FLOW

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Hydraulics & Fluid Mechanics
For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is

directly proportional to pipe wall roughness and independent of Reynolds number
directly proportional to Reynolds number and independent of pipe wall roughness
inversely proportional to Reynolds number and indpendent of pipe wall roughness
inversely proportional to Reynolds number and directly proportional to pipe wall roughness

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