Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface. 3H/4 2H/3 H/3 H/2 3H/4 2H/3 H/3 H/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is Between 1 and 6 None of these Less than unity Unity Between 1 and 6 None of these Less than unity Unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2800, is called Super-sonic velocity Lower critical velocity Higher critical velocity Sub-sonic velocity Super-sonic velocity Lower critical velocity Higher critical velocity Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the depth of water in an open channel is less than the critical depth, the flow is called Torrential flow Critical flow Turbulent flow Tranquil flow Torrential flow Critical flow Turbulent flow Tranquil flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Runaway speed of a hydraulic turbine is The speed corresponding to maximum overload permissible The speed at which turbine runner will be damaged The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open Full load speed The speed corresponding to maximum overload permissible The speed at which turbine runner will be damaged The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open Full load speed 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 × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
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