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 × breadth 1/2 × sloping side 1/2 × depth 1/4 × (depth + breadth) 1/2 × breadth 1/2 × sloping side ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The product of mass and acceleration of flowing liquid is called Pressure force Inertia force Viscous force Gravity force Pressure force Inertia force Viscous force Gravity force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In axial flow fans and turbines, fluid enters and leaves as follows Radially, axially Radially, radially Axially, axially Axially, radially Radially, axially Radially, radially Axially, axially Axially, radially ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum efficiency of jet propulsion of a ship with inlet orifices at right angles to the direction of motion of ship, is 0.8 0.6 0.5 0.4 0.8 0.6 0.5 0.4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For small discharge at high pressure, following pump is preferred Mixed flow Reciprocating Centrifugal Axial flow Mixed flow Reciprocating Centrifugal Axial flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is V1 / (V1 - V2) (V1² - V2²) / V1² V1² / (V1² - V2²) (V1 - V2) / V1 V1 / (V1 - V2) (V1² - V2²) / V1² V1² / (V1² - V2²) (V1 - V2) / V1 ANSWER DOWNLOAD EXAMIANS APP
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