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 ? 50 m/sec 25 m/sec 2 m/sec 10 m/sec 50 m/sec 25 m/sec 2 m/sec 10 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe) 1/3 R 2/3 R 1/2 R 3/4 R 1/3 R 2/3 R 1/2 R 3/4 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics SURFACE TENSION HAS THE UNITS OF NETON/M NEW TONS/M NEWTONS NEWTONS/M NETON/M NEW TONS/M NEWTONS NEWTONS/M 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 300 337.5 600 675 300 337.5 600 675 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Non uniform flow occurs when the direction and magnitude of the velocity at all points are identical the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time velocity, depth, pressure, etc. change from point to point in the fluid flow the direction and magnitude of the velocity at all points are identical the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time velocity, depth, pressure, etc. change from point to point in the fluid flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the force of friction force of cohesion force of diffusion force of adhesion force of friction force of cohesion force of diffusion force of adhesion ANSWER DOWNLOAD EXAMIANS APP