Hydraulics & Fluid Mechanics When a body floating in a liquid, is displaced slightly, it oscillates about center of buoyancy metacentre e.g. of body center of pressure center of buoyancy metacentre e.g. of body center of pressure 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 ? 1:50 1 : 5 1 :25 1 : 2.5 1:50 1 : 5 1 :25 1 : 2.5 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 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 horizontal 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.) uniform flow incompressible flow frictionless flow steady flow uniform flow incompressible flow frictionless flow steady 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 2.4 m above the hydraulic gradient 5.0 above the hydraulic gradient 6.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 2.4 m above the hydraulic gradient 5.0 above the hydraulic gradient 6.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient ANSWER DOWNLOAD EXAMIANS APP
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