Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? a cylinder a sphere a circular disc or plate held normal to flow an airfoil a cylinder a sphere a circular disc or plate held normal to flow an airfoil ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Uniform flow occurs when size and shape of the cross section in a particular length remain constant the flow is steady the flow is streamline size and cross section change uniformly along length size and shape of the cross section in a particular length remain constant the flow is steady the flow is streamline size and cross section change uniformly along length 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 300 600 337.5 675 300 600 337.5 675 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 : 5 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 1 :25 1:50 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Steady 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 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The flow which neglects changes in a transverse direction is known as turbulent flow steady flow uniform flow one dimensional flow turbulent flow steady flow uniform flow one dimensional flow ANSWER DOWNLOAD EXAMIANS APP
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