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 H/2 2 H/3 2 H/5 H/3 H/2 2 H/3 2 H/5 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
Hydraulics & Fluid Mechanics Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the force of diffusion force of adhesion force of cohesion force of friction force of diffusion force of adhesion force of cohesion force of friction ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Which of the following is demensionless specific speed specific gravity specific volume specific weight specific speed specific gravity specific volume specific weight 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 200 between 1 and 100 160 less than 1 200 between 1 and 100 160 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The normal stress is same in all directions at a point in a fluid only when the fluid is incompressible and has zero viscosity irrespective of the motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is incompressible and has zero viscosity irrespective of the motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless When there is no motion of one fluid layer relative to an adjacent layer ANSWER DOWNLOAD EXAMIANS APP
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