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 1:50 1 : 2.5 1 :25 1 : 5 1:50 1 : 2.5 1 :25 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 600 675 337.5 300 600 675 337.5 300 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to more than the weight of the body weight of the fluid displaced by the body less than the weight of the body the weight of the body more than the weight of the body weight of the fluid displaced by the body less than the weight of the body the weight of the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The density of water is 1000 kg/m3 at 4°C 0°K 0°C 20°C 4°C 0°K 0°C 20°C ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of friction viscosity surface tension cohesion friction viscosity surface tension cohesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS ZERO NEGLIGIBLE SAME AS BUOYANT FORCE None of these ZERO NEGLIGIBLE SAME AS BUOYANT FORCE None of these ANSWER DOWNLOAD EXAMIANS APP
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