Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of cohesion viscosity friction surface tension cohesion viscosity friction surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics True one-dimensional flow occurs when the direction and magnitude of the veiocity at all points are identical the magnitude and direction of the velocity do not change from point to point in the fluid 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 direction and magnitude of the veiocity at all points are identical the magnitude and direction of the velocity do not change from point to point in the fluid 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 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 : 5 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 1 :25 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centroid of the volume of fluid vertically above the body center of the volume of floating body center of gravity of any submerged body centriod of the displaced volume of fluid centroid of the volume of fluid vertically above the body center of the volume of floating body center of gravity of any submerged body centriod of the displaced volume of fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head) 2 H/3 H/2 H/3 2 H/5 2 H/3 H/2 H/3 2 H/5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Operation of McLeod gauge used for low pressure measurement is based on the principle of Charle’s law Boyle’s law Pascal’s law gas law Charle’s law Boyle’s law Pascal’s law gas law ANSWER DOWNLOAD EXAMIANS APP
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