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 100 200 160 less than 1 between 1 and 100 200 160 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The peoperty by virtue of which a liquid opposes relative motion between its different layers is called co-efficient of viscosity osmosis viscosity surface tension co-efficient of viscosity osmosis viscosity surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will increase/decrease depending on depth of immersion increase decrease remain same increase/decrease depending on depth of immersion increase decrease remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centroid of the submerged body displaced volume of the fluid volume of the floating body volume of the fluid vertically above the body submerged body displaced volume of the fluid volume of the floating body volume of the fluid vertically above the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is None of these maximum at the pipe wall zero at the pipe wall independent of shear stress None of these maximum at the pipe wall zero at the pipe wall independent of shear stress 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 total energy is constant throughout the energy is constant along a stream-line but may vary across streamlines principle of conservation of mass holds velocity and pressure are inversely proportional total energy is constant throughout the energy is constant along a stream-line but may vary across streamlines ANSWER DOWNLOAD EXAMIANS APP
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