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 decrease increase remain same increase/decrease depending on depth of immersion decrease increase remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centroid of the volume of fluid vertically above the body centriod of the displaced volume of fluid center of the volume of floating body center of gravity of any submerged body centroid of the volume of fluid vertically above the body centriod of the displaced volume of fluid center of the volume of floating body center of gravity of any submerged body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.) steady flow uniform flow incompressible flow frictionless flow steady flow uniform flow incompressible flow frictionless flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The density of water is 1000 kg/m3 at 0°K 20°C 4°C 0°C 0°K 20°C 4°C 0°C 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 2 H/5 H/2 H/3 2 H/3 2 H/5 H/2 H/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow 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 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 ANSWER DOWNLOAD EXAMIANS APP