Hydraulics and Fluid Mechanics in ME If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by H = Hg - hf H = Hg + hf H = Hg × hf H = Hg/hf H = Hg - hf H = Hg + hf H = Hg × hf H = Hg/hf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is None of these 0.25 0.5 1 None of these 0.25 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to gravitation ratio of inertial force to force due to viscosity ratio of inertial force to force due to surface tension all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to gravitation ratio of inertial force to force due to viscosity ratio of inertial force to force due to surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reynolds number is significant in full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc supersonics, as with projectile and jet propulsion All of these simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc supersonics, as with projectile and jet propulsion All of these simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A streamline is defined as the line of equal yelocity in a flow along which the pressure drop is uniform parallel to outer surface of pipe parallel to central axis flow of equal yelocity in a flow along which the pressure drop is uniform parallel to outer surface of pipe parallel to central axis flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a tank containing liquid moves with an acceleration in the horizontal direction, then the free surface of the liquid Remains horizontal Becomes curved Falls on the back end Falls on the front end Remains horizontal Becomes curved Falls on the back end Falls on the front end ANSWER DOWNLOAD EXAMIANS APP
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