Hydraulics and Fluid Mechanics in ME If the net positive suction head (NPSH) requirement for the pump is not satisfied, then No flow will take place Efficiency will be low Excessive power will be consumed Cavitation will be formed No flow will take place Efficiency will be low Excessive power will be consumed Cavitation will be formed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The stress-strain relation of the Newtonian fluid is Linear Inverse type Parabolic Hyperbolic Linear Inverse type Parabolic Hyperbolic ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe) 0.75v²/2g 0.375v²/2g 0.5v²/2g v²/2g 0.75v²/2g 0.375v²/2g 0.5v²/2g v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an ideal fluid flows past a sphere total drag is zero highest intensity of pressure occurs around the circumference at right angles to flow lowest pressure intensity occurs at rear stagnation point lowest pressure intensity occurs at front stagnation point total drag is zero highest intensity of pressure occurs around the circumference at right angles to flow lowest pressure intensity occurs at rear stagnation point lowest pressure intensity occurs at front stagnation point ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow in which the viscosity of fluid is dominating over the inertia force is called Laminar flow Unsteady flow Turbulent flow Steady flow Laminar flow Unsteady flow Turbulent flow Steady flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine 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 All of these Causes sudden drop in power output and efficiency ANSWER DOWNLOAD EXAMIANS APP