Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be Higher than the surface of liquid Unpredictable Lower than the surface of liquid The same as the surface of liquid Higher than the surface of liquid Unpredictable Lower than the surface of liquid The same as the surface of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For laminar flow in circular pipes, the Darcy’s friction factor f is equal to 64/ Re None of these 16/Re 32/ Re 64/ Re None of these 16/Re 32/ Re ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure Varies as the square of the radial distance Increases as the square of the radial distance Increases linearly as its radial distance Decreases as the square of the radial distance Varies as the square of the radial distance Increases as the square of the radial distance Increases linearly as its radial distance Decreases as the square of the radial distance ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic mean depth or the hydraulic radius is the ratio of Area of flow and wetted perimeter None of these Velocity of flow and area of flow Wetted perimeter and diameter of pipe Area of flow and wetted perimeter None of these Velocity of flow and area of flow Wetted perimeter and diameter of pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by [(Vr + v) v]/ Vr [(Vr - v) v]/ Vr [2(Vr - v) v]/ Vr² [2(Vr + v) v]/ Vr² [(Vr + v) v]/ Vr [(Vr - v) v]/ Vr [2(Vr - v) v]/ Vr² [2(Vr + v) v]/ Vr² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid of kinematic viscosity 0.4 cm²/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be less than 1 m/sec 2 m/sec 1 m/sec 1.5 m/sec less than 1 m/sec 2 m/sec 1 m/sec 1.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
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