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 model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ? 1 :25 1 : 2.5 1 : 5 1:50 1 :25 1 : 2.5 1 : 5 1:50 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H5’4 where H is head. H5/2 H3’2 H1/2 H5’4 where H is head. H5/2 H3’2 H1/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The peoperty by virtue of which a liquid opposes relative motion between its different layers is called osmosis surface tension co-efficient of viscosity viscosity osmosis surface tension co-efficient of viscosity viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Flow of water in a pipe about 3 meters in diameter can be measured by pitot tube venturi orifice plate rotameter pitot tube venturi orifice plate rotameter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is at the centroid of the submerged area None of these always above the centroid of the area always below the centroid of the area at the centroid of the submerged area None of these always above the centroid of the area always below the centroid of the area ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS