Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump depends on Impeller diameter Speed Fluid density Both (A) and (B) above Impeller diameter Speed Fluid density Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is High speed with mixed flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with radial flow at outlet High speed with mixed flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/2 × depth 1/4 × (depth + breadth) 1/2 × sloping side 1/2 × breadth 1/2 × depth 1/4 × (depth + breadth) 1/2 × sloping side 1/2 × breadth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio of Francis turbine is defined as the ratio of the Velocity of flow at inlet to the theoretical jet velocity Velocity of runner at inlet to the velocity of flow at inlet None of these Theoretical velocity of jet to the velocity of flow at inlet Velocity of flow at inlet to the theoretical jet velocity Velocity of runner at inlet to the velocity of flow at inlet None of these Theoretical velocity of jet to the velocity of flow at inlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The wake always occurs after a separation point is a region of high pressure intensity None of these always occurs before a separation point always occurs after a separation point is a region of high pressure intensity None of these always occurs before a separation point ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Viscosity of water in comparison to mercury is Same Higher/lower depending on temperature Higher Lower Same Higher/lower depending on temperature Higher Lower ANSWER DOWNLOAD EXAMIANS APP
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