Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Causes noise and vibration of various parts Causes sudden drop in power output and efficiency Reduces the discharge of a turbine All of these Causes noise and vibration of various parts Causes sudden drop in power output and efficiency Reduces the discharge of a turbine All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Ratio of inertia force to surface Jension is known as Froude number Weber’s number Reynold’s number Mach number Froude number Weber’s number Reynold’s number Mach number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called Principle of flotation Bernoulli’s theorem Archimedes’s principle Pascal’s law Principle of flotation Bernoulli’s theorem Archimedes’s principle Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Center of pressure compared to e.g. is At same point Above or below depending on area of body Below it Above it At same point Above or below depending on area of body Below it Above it ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a siphon spillway is Cd × a × √(2g) × H2 Cd × a × √(2g) × H5/2 Cd × a × √(2gH) Cd × a × √(2g) × H3/2 Cd × a × √(2g) × H2 Cd × a × √(2g) × H5/2 Cd × a × √(2gH) Cd × a × √(2g) × H3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a centrifugal pump casing, the flow of water leaving the impeller, is Rectilinear flow Forced vortex Free vortex motion Radial flow Rectilinear flow Forced vortex Free vortex motion Radial flow ANSWER DOWNLOAD EXAMIANS APP
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