Hydraulics and Fluid Mechanics in ME The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called Metacentre Reaction Up-thrust Buoyancy Metacentre Reaction Up-thrust Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio of Francis turbine is defined as the ratio of the Theoretical velocity of jet to the velocity of flow at inlet Velocity of runner at inlet to the velocity of flow at inlet None of these Velocity of flow at inlet to the theoretical jet velocity Theoretical velocity of jet to the velocity of flow at inlet Velocity of runner at inlet to the velocity of flow at inlet None of these Velocity of flow at inlet to the theoretical jet velocity 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 × sloping side 1/2 × breadth 1/4 × (depth + breadth) 1/2 × depth 1/2 × sloping side 1/2 × breadth 1/4 × (depth + breadth) 1/2 × depth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency of a reaction turbine is the ratio of Actual work available at the turbine to the energy imparted to the wheel Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Power produced by the turbine to the energy actually supplied by the turbine None of these Actual work available at the turbine to the energy imparted to the wheel Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Power produced by the turbine to the energy actually supplied by the turbine None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A structure, whose width is __________ the width of the channel, is called a flumed structure. Less than None of these Equal More than Less than None of these Equal More than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 - sin φ)/2 (1 + cos φ)/2 (1 + sin φ)/2 (1 - cos φ)/2 (1 - sin φ)/2 (1 + cos φ)/2 (1 + sin φ)/2 (1 - cos φ)/2 ANSWER DOWNLOAD EXAMIANS APP
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