Hydraulics and Fluid Mechanics in ME Froude number is significant in Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls All of the listed here Supersonics, as with projectile and jet propulsion Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls All of the listed here Supersonics, as with projectile and jet propulsion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to Archimedes’ principle Equilibrium of a floating body Bernoulli’s theorem Buoyancy Archimedes’ principle Equilibrium of a floating body Bernoulli’s theorem Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of pressure acts __________ the centre of gravity of immersed surface. None of these Above Below At None of these Above Below At ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by V/(vr + v) V/(vr - v) 2V/(vr + v) 2V/(vr - v) V/(vr + v) V/(vr - v) 2V/(vr + v) 2V/(vr - v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the surface of liquid is convex, men Cohesion pressure is increased Cohesion pressure is negligible Cohesion pressure is decreased There is no cohesion pressure Cohesion pressure is increased Cohesion pressure is negligible Cohesion pressure is decreased There is no cohesion pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The purpose of a surge tank is All of these To control the pressure variations due to rapid changes in the pipe line flow To eliminate water hammer possibilities To regulate flow of water to turbines by providing necessary retarding head of water All of these To control the pressure variations due to rapid changes in the pipe line flow To eliminate water hammer possibilities To regulate flow of water to turbines by providing necessary retarding head of water ANSWER DOWNLOAD EXAMIANS APP
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