Hydraulics & Fluid Mechanics When a body floating in a liquid, is displaced slightly, it oscillates about center of buoyancy e.g. of body metacentre center of pressure center of buoyancy e.g. of body metacentre center of pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Separation of flow occurs when All of these the cross-section of a channel is reduced the pressure intensity reaches a minimum the boundary layer comes to rest All of these the cross-section of a channel is reduced the pressure intensity reaches a minimum the boundary layer comes to rest ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is independent of shear stress maximum at the pipe wall zero at the pipe wall None of these independent of shear stress maximum at the pipe wall zero at the pipe wall None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ? 10 m/sec 2 m/sec 50 m/sec 25 m/sec 10 m/sec 2 m/sec 50 m/sec 25 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centroid of the submerged body volume of the fluid vertically above the body volume of the floating body displaced volume of the fluid submerged body volume of the fluid vertically above the body volume of the floating body displaced volume of the fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow total energy is constant throughout velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines principle of conservation of mass holds total energy is constant throughout velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines principle of conservation of mass holds ANSWER DOWNLOAD EXAMIANS APP
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