Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be Nearly horizontal Steep First rise and then fall Horizontal Nearly horizontal Steep First rise and then fall Horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is Above the centre of gravity At the centre of gravity Could be above or below e.g. depending on density of body and liquid Below be centre of gravity Above the centre of gravity At the centre of gravity Could be above or below e.g. depending on density of body and liquid Below be centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Metacentre is the point of intersection of vertical upward force through e.g. of body and center line of body mid point between e.g. and center of buoyancy buoyant force and the center line of body All of these vertical upward force through e.g. of body and center line of body mid point between e.g. and center of buoyancy buoyant force and the center line of body All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic mean depth or the hydraulic radius is the ratio of None of these Area of flow and wetted perimeter Wetted perimeter and diameter of pipe Velocity of flow and area of flow None of these Area of flow and wetted perimeter Wetted perimeter and diameter of pipe Velocity of flow and area of flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a lock-gate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock) 2p/sinα p/sinα 2p/sin (α/2) p/2sinα 2p/sinα p/sinα 2p/sin (α/2) p/2sinα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor turbulent when Reynold number is Less than 2000 Between 2000 and 2800 More than 2800 None of these Less than 2000 Between 2000 and 2800 More than 2800 None of these ANSWER DOWNLOAD EXAMIANS APP
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