Hydraulics & Fluid Mechanics For a floating body to be in equilibrium center of buoyancy and e.g. must lie on same vertical plane a righting couple should be formed All of these meta center should be above e.g. center of buoyancy and e.g. must lie on same vertical plane a righting couple should be formed All of these meta center should be above e.g. ANSWER DOWNLOAD EXAMIANS APP
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 160 200 between 1 and 100 less than 1 160 200 between 1 and 100 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Separation of flow occurs when the pressure intensity reaches a minimum the boundary layer comes to rest All of these the cross-section of a channel is reduced the pressure intensity reaches a minimum the boundary layer comes to rest All of these the cross-section of a channel is reduced 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 1:50 1 : 2.5 1 : 5 1 :25 1:50 1 : 2.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is always above the centroid of the area at the centroid of the submerged area None of these always below the centroid of the area always above the centroid of the area at the centroid of the submerged area None of these always below the centroid of the area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The resultant of all normal pressures acts at metacentre at e.g. of body vertically upwards at center of pressure at metacentre at e.g. of body vertically upwards at center of pressure ANSWER DOWNLOAD EXAMIANS APP
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