Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the center of gravity of any submerged body center of the volume of floating body centriod of the displaced volume of fluid centroid of the volume of fluid vertically above the body center of gravity of any submerged body center of the volume of floating body centriod of the displaced volume of fluid centroid of the volume of fluid vertically above the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H1/2 H5/2 H5’4 where H is head. H3’2 H1/2 H5/2 H5’4 where H is head. H3’2 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
Hydraulics & Fluid Mechanics To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than 10.0 m above the hydraulic gradient 6.4 m above the hydraulic gradient 5.0 above the hydraulic gradient 2.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 6.4 m above the hydraulic gradient 5.0 above the hydraulic gradient 2.4 m above the hydraulic gradient ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The difference of pressure between the inside and outside of a liquid drop is (b)p = T/r (d)p = 2T/r (a)p = Txr p = T/2r (b)p = T/r (d)p = 2T/r (a)p = Txr p = T/2r ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Which of the following instrument can be used for measuring speed of an aeroplane Orifice plate rotameter Venturimeter pitot tube Orifice plate rotameter Venturimeter pitot tube ANSWER DOWNLOAD EXAMIANS APP