Hydraulics & Fluid Mechanics A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will remain same increase/decrease depending on depth of immersion decrease increase remain same increase/decrease depending on depth of immersion decrease increase ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the center of the volume of floating body center of gravity of any submerged body centroid of the volume of fluid vertically above the body centriod of the displaced volume of fluid center of the volume of floating body center of gravity of any submerged body centroid of the volume of fluid vertically above the body centriod of the displaced volume of fluid 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 ? 10 m/sec 2 m/sec 50 m/sec 25 m/sec 10 m/sec 2 m/sec 50 m/sec 25 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 ? 1:50 1 : 5 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 1 :25 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 between 1 and 100 200 160 less than 1 between 1 and 100 200 160 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The units of viscosity are newton-sec/metre kg sec/metre newton-sec/metre2 metre2/se newton-sec/metre kg sec/metre newton-sec/metre2 metre2/se ANSWER DOWNLOAD EXAMIANS APP
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