Hydraulics & Fluid Mechanics According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to less than the weight of the body the weight of the body more than the weight of the body weight of the fluid displaced by the body less than the weight of the body the weight of the body more than the weight of the body weight of the fluid displaced by the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H5/2 H3’2 H1/2 H5’4 where H is head. H5/2 H3’2 H1/2 H5’4 where H is head. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Metacentric height is given as the distance between center of buoyancy and metacentre the center of gravity of the body and the center of buoyancy the center of gravity of the body andthe meta center the center of gravity of the body and the center of pressure center of buoyancy and metacentre the center of gravity of the body and the center of buoyancy the center of gravity of the body andthe meta center the center of gravity of the body and the center of pressure ANSWER DOWNLOAD EXAMIANS APP
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 between 1 and 100 160 less than 1 200 between 1 and 100 160 less than 1 200 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 velocity and pressure are inversely proportional total energy is constant throughout principle of conservation of mass holds the energy is constant along a stream-line but may vary across streamlines velocity and pressure are inversely proportional total energy is constant throughout 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) H/3 2 H/5 2 H/3 H/2 H/3 2 H/5 2 H/3 H/2 ANSWER DOWNLOAD EXAMIANS APP
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