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 ? 10 m/sec 2 m/sec 25 m/sec 50 m/sec 10 m/sec 2 m/sec 25 m/sec 50 m/sec 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 : 5 1 :25 1 : 2.5 1:50 1 : 5 1 :25 1 : 2.5 1:50 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of 4.0 M 4.6 M 4.8 M 4.2 M 4.0 M 4.6 M 4.8 M 4.2 M ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In a Sutro weir, the discharge is proportional to (where H is head) H5/2 H1/2 H3/2 H H5/2 H1/2 H3/2 H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a floating body to be in equilibrium 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 meta center should be above e.g. center of buoyancy and e.g. must lie on same vertical plane ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? a circular disc or plate held normal to flow an airfoil a cylinder a sphere a circular disc or plate held normal to flow an airfoil a cylinder a sphere ANSWER DOWNLOAD EXAMIANS APP
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