Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? an airfoil a circular disc or plate held normal to flow a sphere a cylinder an airfoil a circular disc or plate held normal to flow a sphere a cylinder ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A large Roynold number is indication of turbulent flow LAMINAR FLOW highly turbulent flow. smooth and streamline flow turbulent flow LAMINAR FLOW highly turbulent flow. smooth and streamline flow ANSWER DOWNLOAD EXAMIANS APP
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 more than the weight of the body weight of the fluid displaced by the body the weight of the body less than the weight of the body more than the weight of the body weight of the fluid displaced by the body the weight of the body less than the weight of the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H1/2 H5’4 where H is head. H5/2 H3’2 H1/2 H5’4 where H is head. H5/2 H3’2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics When a body floating in a liquid, is displaced slightly, it oscillates about center of pressure metacentre e.g. of body center of buoyancy center of pressure metacentre e.g. of body center of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is zero at the mid plane and varies linearly with distance from mid plane parabolic distribution across the section zero at plates and increases linearly to midpoint constant over the cross section zero at the mid plane and varies linearly with distance from mid plane parabolic distribution across the section zero at plates and increases linearly to midpoint constant over the cross section ANSWER DOWNLOAD EXAMIANS APP