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 :25 1:50 1 : 5 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 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 4.8 M 4.6 M 4.2 M 4.0 M 4.8 M 4.6 M 4.2 M 4.0 M ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics When a body floating in a liquid, is displaced slightly, it oscillates about center of buoyancy center of pressure e.g. of body metacentre center of buoyancy center of pressure e.g. of body metacentre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The resultant of all normal pressures acts at metacentre vertically upwards at center of pressure at e.g. of body at metacentre vertically upwards at center of pressure at e.g. of body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics THE THEORETICAL VALUE OF COEFFICIENT OF CONTRACTION OF A SHARP EDGED ORIFICE IS 0.611 0.95 1.01 0.86 0.611 0.95 1.01 0.86 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness ANSWER DOWNLOAD EXAMIANS APP
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