Hydraulics & Fluid Mechanics For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is inversely proportional to Reynolds number and directly proportional to pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number inversely proportional to Reynolds number and directly proportional to pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Coefficient of velocity for Borda’s mouth piece running full is 0.855 0.611 0.707 1.00 0.855 0.611 0.707 1.00 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Separation of flow occurs when the pressure intensity reaches a minimum the boundary layer comes to rest All of these the cross-section of a channel is reduced the pressure intensity reaches a minimum the boundary layer comes to rest All of these the cross-section of a channel is reduced ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be maximum could be any value negative value minimum maximum could be any value negative value minimum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow principle of conservation of mass holds velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines total energy is constant throughout principle of conservation of mass holds velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines total energy is constant throughout ANSWER DOWNLOAD EXAMIANS APP
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 LAMINAR FLOW NOT PREDICTABLE FROM THE GIVEN DATA TURBULENT FLOW TRANSITION FLOW LAMINAR FLOW NOT PREDICTABLE FROM THE GIVEN DATA TURBULENT FLOW TRANSITION FLOW ANSWER DOWNLOAD EXAMIANS APP
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