Hydraulics & Fluid Mechanics At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be minimum negative value could be any value maximum minimum negative value could be any value maximum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The flow which neglects changes in a transverse direction is known as one dimensional flow steady flow turbulent flow uniform flow one dimensional flow steady flow turbulent flow uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Pressure of the order of 10''' torr can be measured by Micro-manometer ionisastion gauge Pirani Gauge Bourdon tube Micro-manometer ionisastion gauge Pirani Gauge Bourdon tube 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 : 2.5 1 : 5 1:50 1 :25 1 : 2.5 1 : 5 1:50 1 :25 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the center of the volume of floating body centriod of the displaced volume of fluid center of gravity of any submerged body centroid of the volume of fluid vertically above the body center of the volume of floating body centriod of the displaced volume of fluid center of gravity of any submerged body centroid of the volume of fluid vertically above the body 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) 3/4 R 1/2 R 2/3 R 1/3 R 3/4 R 1/2 R 2/3 R 1/3 R ANSWER DOWNLOAD EXAMIANS APP
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