Hydraulics & Fluid Mechanics If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is 200 160 between 1 and 100 less than 1 200 160 between 1 and 100 less than 1 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 ? 25 m/sec 50 m/sec 10 m/sec 2 m/sec 25 m/sec 50 m/sec 10 m/sec 2 m/sec 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 total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if the area is vertical the area is inclined All of these the area is horizontal the area is vertical the area is inclined All of these the area is horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The flow which neglects changes in a transverse direction is known as steady flow uniform flow turbulent flow one dimensional flow steady flow uniform flow turbulent flow one dimensional flow 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 2.4 m above the hydraulic gradient 6.4 m above the hydraulic gradient 5.0 above the hydraulic gradient 10.0 m above the hydraulic gradient 2.4 m above the hydraulic gradient 6.4 m above the hydraulic gradient 5.0 above the hydraulic gradient ANSWER DOWNLOAD EXAMIANS APP