Hydraulics and Fluid Mechanics in ME A pressure of 25 m of head of water is equal to 245 kN/m2 2.5 kN/m2 25 kN/m2 2500 kN/m2 245 kN/m2 2.5 kN/m2 25 kN/m2 2500 kN/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is v₂²/2g v₁²/2g 0.5 v₁²/2g 0.375 v₂²/2g v₂²/2g v₁²/2g 0.5 v₁²/2g 0.375 v₂²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure measured with the help of a pressure gauge is called Atmospheric pressure Mean pressure Gauge pressure Absolute pressure Atmospheric pressure Mean pressure Gauge pressure Absolute pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surface tension Is also known as capillarity Acts in the plane of the interface normal to any line in the surface Is a function of the curvature of the interface Decreases with fall in temperature Is also known as capillarity Acts in the plane of the interface normal to any line in the surface Is a function of the curvature of the interface Decreases with fall in temperature ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be Maximum Minimum Zero Could be any value Maximum Minimum Zero Could be any value ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed from 160 to 500 r.p.m. of a centrifugal pump indicates that the pump is Slow speed with radial flow at outlet High speed with radial flow at outlet Medium speed with radial flow at outlet High speed with axial flow at outlet Slow speed with radial flow at outlet High speed with radial flow at outlet Medium speed with radial flow at outlet High speed with axial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
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