Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/2 L L/4 L/3 L/2 L L/4 L/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be 2000 kg 4000 kg 8000 kg 1000 kg 2000 kg 4000 kg 8000 kg 1000 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is ρ ω2 r2/4 2ρ ω2 r2 ρ ω2 r2 ρ ω2 r2/2 ρ ω2 r2/4 2ρ ω2 r2 ρ ω2 r2 ρ ω2 r2/2 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 Equilibrium of a floating body Buoyancy Archimedes’ principle Bernoulli’s theorem Equilibrium of a floating body Buoyancy Archimedes’ principle Bernoulli’s theorem ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Buoyant force is Equal to the volume of liquid displaced The resultant force acting on a floating body The force necessary to maintain equilibrium of a submerged body The resultant force on a body due to the fluid surrounding it Equal to the volume of liquid displaced The resultant force acting on a floating body The force necessary to maintain equilibrium of a submerged body The resultant force on a body due to the fluid surrounding it ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine All of these Causes sudden drop in power output and efficiency Causes noise and vibration of various parts Reduces the discharge of a turbine All of these Causes sudden drop in power output and efficiency Causes noise and vibration of various parts Reduces the discharge of a turbine ANSWER DOWNLOAD EXAMIANS APP
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