Hydraulics & Fluid Mechanics If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is 200 between 1 and 100 less than 1 160 200 between 1 and 100 less than 1 160 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A large Roynold number is indication of LAMINAR FLOW highly turbulent flow. smooth and streamline flow turbulent flow LAMINAR FLOW highly turbulent flow. smooth and streamline flow turbulent flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head) 2 H/3 H/2 H/3 2 H/5 2 H/3 H/2 H/3 2 H/5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Uniform flow occurs when the flow is streamline size and cross section change uniformly along length the flow is steady size and shape of the cross section in a particular length remain constant the flow is streamline size and cross section change uniformly along length the flow is steady size and shape of the cross section in a particular length remain constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is constant over the cross section zero at plates and increases linearly to midpoint parabolic distribution across the section zero at the mid plane and varies linearly with distance from mid plane constant over the cross section zero at plates and increases linearly to midpoint parabolic distribution across the section zero at the mid plane and varies linearly with distance from mid plane ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow principle of conservation of mass holds the energy is constant along a stream-line but may vary across streamlines total energy is constant throughout velocity and pressure are inversely proportional principle of conservation of mass holds the energy is constant along a stream-line but may vary across streamlines total energy is constant throughout velocity and pressure are inversely proportional ANSWER DOWNLOAD EXAMIANS APP