Hydraulics and Fluid Mechanics in ME The point at which the resultant pressure on an immersed surface acts, is known as Centre of gravity Centre of pressure Centre of depth Centre of immersed surface Centre of gravity Centre of pressure Centre of depth Centre of immersed surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.707 D 0.423 D 0.577 D 0.223 D 0.707 D 0.423 D 0.577 D 0.223 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit discharge of wheel is 2.5 m3/s 0.5 m3/s 0.25 m3/s 1.5 m3/s 2.5 m3/s 0.5 m3/s 0.25 m3/s 1.5 m3/s ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a static fluid Linear deformation is small Resistance to shear stress is small Fluid pressure is zero Only normal stresses can exist Linear deformation is small Resistance to shear stress is small Fluid pressure is zero Only normal stresses can exist ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Ratio of inertia force to elastic force is known as Weber’s number Reynold’s number Froude number Mach number Weber’s number Reynold’s number Froude number Mach number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Piezometer tube is used only for measuring High pressure Moderate pressure Low pressure Vacuum pressure High pressure Moderate pressure Low pressure Vacuum pressure ANSWER DOWNLOAD EXAMIANS APP
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