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 :25 1 : 2.5 1 : 5 1:50 1 :25 1 : 2.5 1 : 5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The peoperty by virtue of which a liquid opposes relative motion between its different layers is called surface tension osmosis viscosity co-efficient of viscosity surface tension osmosis viscosity co-efficient of viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a floating body to be in equilibrium meta center should be above e.g. center of buoyancy and e.g. must lie on same vertical plane All of these a righting couple should be formed meta center should be above e.g. center of buoyancy and e.g. must lie on same vertical plane All of these a righting couple should be formed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics When a body floating in a liquid, is displaced slightly, it oscillates about center of pressure e.g. of body center of buoyancy metacentre center of pressure e.g. of body center of buoyancy metacentre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The density of water is 1000 kg/m3 at 0°K 4°C 0°C 20°C 0°K 4°C 0°C 20°C 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 ? 2 m/sec 25 m/sec 10 m/sec 50 m/sec 2 m/sec 25 m/sec 10 m/sec 50 m/sec ANSWER DOWNLOAD EXAMIANS APP
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