Hydraulics and Fluid Mechanics in ME If the depth of water in an open channel is greater than the critical depth, the flow is called Tranquil flow Torrential flow Turbulent flow Critical flow Tranquil flow Torrential flow Turbulent flow Critical flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an ideal fluid flows past a sphere highest intensity of pressure occurs around the circumference at right angles to flow total drag is zero lowest pressure intensity occurs at front stagnation point lowest pressure intensity occurs at rear stagnation point highest intensity of pressure occurs around the circumference at right angles to flow total drag is zero lowest pressure intensity occurs at front stagnation point lowest pressure intensity occurs at rear stagnation point ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/3 L/2 L L/4 L/3 L/2 L L/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In open channels, the specific energy is the Kinetic energy plotted above the free surface of water Total energy measured with respect to the datum passing through the bottom of the channel Total energy per unit discharge Total energy measured above the horizontal datum Kinetic energy plotted above the free surface of water Total energy measured with respect to the datum passing through the bottom of the channel Total energy per unit discharge Total energy measured above the horizontal datum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water to the turbines? Centrifugal pump Air lift pump Jet pump Reciprocating pump Centrifugal pump Air lift pump Jet pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
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