Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H5’4 where H is head. H3’2 H1/2 H5/2 H5’4 where H is head. H3’2 H1/2 H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe) 1/2 R 2/3 R 1/3 R 3/4 R 1/2 R 2/3 R 1/3 R 3/4 R 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 When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless irrespective of the motion of one fluid layer relative to an adjacent layer only when the fluid is incompressible and has zero viscosity When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless irrespective of the motion of one fluid layer relative to an adjacent layer 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 remain same increase increase/decrease depending on depth of immersion decrease remain same increase increase/decrease depending on depth of immersion decrease ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The units of viscosity are newton-sec/metre2 metre2/se kg sec/metre newton-sec/metre newton-sec/metre2 metre2/se kg sec/metre newton-sec/metre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The density of water is 1000 kg/m3 at 4°C 0°K 20°C 0°C 4°C 0°K 20°C 0°C ANSWER DOWNLOAD EXAMIANS APP