Hydraulics and Fluid Mechanics in ME At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be Zero Could be any value Minimum Maximum Zero Could be any value Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the pressure varies Square of fan speed Cube of fan speed Directly as fan speed Square root of fan speed Square of fan speed Cube of fan speed Directly as fan speed Square root of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an ideal fluid flows past a sphere lowest pressure intensity occurs at rear stagnation point lowest pressure intensity occurs at front stagnation point highest intensity of pressure occurs around the circumference at right angles to flow total drag is zero lowest pressure intensity occurs at rear stagnation point lowest pressure intensity occurs at front stagnation point highest intensity of pressure occurs around the circumference at right angles to flow total drag is zero ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an outward flow reaction turbine The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel The water enters the wheel at the outer periphery and then flows towards the centre of the wheel The water flows parallel to the axis of the wheel The flow of water is partly radial and partly axial The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel The water enters the wheel at the outer periphery and then flows towards the centre of the wheel The water flows parallel to the axis of the wheel The flow of water is partly radial and partly axial ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation will begin when the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid pressure is increased pressure becomes more than critical pressure flow is increased the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid pressure is increased pressure becomes more than critical pressure flow is increased ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a forced vortex motion, the velocity of flow is inversely proportional to its radial distance from the axis of rotation inversely proportional to the square of its radial distance from the axis of rotation directly proportional to its radial distance from axis of rotation directly proportional to the square of its radial distance from the axis of rotation inversely proportional to its radial distance from the axis of rotation inversely proportional to the square of its radial distance from the axis of rotation directly proportional to its radial distance from axis of rotation directly proportional to the square of its radial distance from the axis of rotation ANSWER DOWNLOAD EXAMIANS APP