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 2 m/sec 10 m/sec 25 m/sec 50 m/sec 2 m/sec 10 m/sec 25 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Two dimensional flow occurs when the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the magnitude and direction of the velocity do not change from point to point in the fluid the direction and magnitude of the velocity at all points are identical the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the magnitude and direction of the velocity do not change from point to point in the fluid the direction and magnitude of the velocity at all points are identical ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow principle of conservation of mass holds velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines total energy is constant throughout principle of conservation of mass holds velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines total energy is constant throughout ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is independent of shear stress None of these maximum at the pipe wall zero at the pipe wall independent of shear stress None of these maximum at the pipe wall zero at the pipe wall 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 adhesion force of diffusion force of cohesion force of friction force of adhesion force of diffusion force of cohesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Two pipe systems are said to be equivalent when length of pipe and discharge are same in two systems length and diameter are same in two systems head loss and discharge are same in two systems friction factor and length are same in two systems length of pipe and discharge are same in two systems length and diameter are same in two systems head loss and discharge are same in two systems friction factor and length are same in two systems ANSWER DOWNLOAD EXAMIANS APP
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