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 directly proportional to pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number inversely proportional to Reynolds number and indpendent of pipe wall roughness inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number inversely proportional to Reynolds number and indpendent of pipe wall roughness 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 25 m/sec 50 m/sec 2 m/sec 10 m/sec 25 m/sec 50 m/sec 2 m/sec 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 337.5 675 600 300 337.5 675 600 300 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics An open vessel of water is accelerated up an inclined plane. The free water surface will make an angle in direction of inclination of inclined plane any one of above is possible be horizontal make an angle in opposite direction to inclination of inclined plane make an angle in direction of inclination of inclined plane any one of above is possible be horizontal make an angle in opposite direction to inclination of inclined plane ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Coefficient of velocity for Borda’s mouth piece running full is 1.00 0.611 0.855 0.707 1.00 0.611 0.855 0.707 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Choose the wrong statement fluids conform to the shape of the con-taining vessels when in equilibrium, fluids cannot sustain tangential forces when in equilibrium, fluids can sustain shear forces fluids are capable of flowing fluids conform to the shape of the con-taining vessels when in equilibrium, fluids cannot sustain tangential forces when in equilibrium, fluids can sustain shear forces fluids are capable of flowing ANSWER DOWNLOAD EXAMIANS APP
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