Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centroid of the displaced volume of the fluid volume of the floating body submerged body volume of the fluid vertically above the body displaced volume of the fluid volume of the floating body submerged body volume of the fluid vertically above the body 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 :25 1 : 5 1 : 2.5 1:50 1 :25 1 : 5 1 : 2.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to atmospheric pressure surface tension force of adhesion force of cohesion atmospheric pressure surface tension force of adhesion force of cohesion ANSWER DOWNLOAD EXAMIANS APP
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 decrease increase increase/decrease depending on depth of immersion remain same decrease increase increase/decrease depending on depth of immersion remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A large Roynold number is indication of smooth and streamline flow turbulent flow highly turbulent flow. LAMINAR FLOW smooth and streamline flow turbulent flow highly turbulent flow. LAMINAR FLOW ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies as the square of the radial distance inversely as the radial distance inversely as the square of the radial distance linearly with radial distance as the square of the radial distance inversely as the radial distance inversely as the square of the radial distance linearly with radial distance ANSWER DOWNLOAD EXAMIANS APP
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