Hydraulics and Fluid Mechanics in ME A pressure of 25 m of head of water is equal to 2.5 kN/m2 2500 kN/m2 25 kN/m2 245 kN/m2 2.5 kN/m2 2500 kN/m2 25 kN/m2 245 kN/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (IG/Ax̅) - x̅ (IG/x̅) - Ax̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/Ax̅) - x̅ (IG/x̅) - Ax̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice. More than twice More than three times Less than three times Less than twice More than twice More than three times Less than three times Less than twice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Specific speed for reaction turbines ranges from 250 to 300 10 to 100 0 to 4.5 80 to 200 250 to 300 10 to 100 0 to 4.5 80 to 200 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is less than unity, the flow is called Hyper-sonic flow Super-sonic flow Sonic flow Sub-sonic flow Hyper-sonic flow Super-sonic flow Sonic flow Sub-sonic flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of actual work available at the turbine to the energy imparted to the wheel is known as ________ efficiency. None of these Hydraulic Mechanical Overall None of these Hydraulic Mechanical Overall ANSWER DOWNLOAD EXAMIANS APP
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