Hydraulics and Fluid Mechanics in ME In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta. Less than More than None of these Equal to Less than More than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Circular Rectangular Trapezoidal Square Circular Rectangular Trapezoidal Square ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on an immersed surface inclined at an angle θ with the liquid surface is wAx wx wAx/sinθ wA wAx wx wAx/sinθ wA ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid in equilibrium can't sustain Bending stress Tensile stress Shear stress Compressive stress Bending stress Tensile stress Shear stress Compressive stress ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular notch is Directly proportional to H3/2 Inversely proportional to H5/2 Directly proportional to H5/2 Inversely proportional to H3/2 Directly proportional to H3/2 Inversely proportional to H5/2 Directly proportional to H5/2 Inversely proportional to H3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Not possible Some other alterations in the impeller Trimming the impeller size to the required size by machining Designing new impeller Not possible Some other alterations in the impeller Trimming the impeller size to the required size by machining Designing new impeller ANSWER DOWNLOAD EXAMIANS APP
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