Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as Any one of these 9.81 × 10-6 N/mm3 9.81 × 103 N/m3 9.81 kN/m3 Any one of these 9.81 × 10-6 N/mm3 9.81 × 103 N/m3 9.81 kN/m3 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 Minimum Zero Could be any value Maximum Minimum Zero Could be any value Maximum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? They are suitable even for low water heads All of these They have slow speeds They give constant efficiency, even if the discharge is not constant They are suitable even for low water heads All of these They have slow speeds They give constant efficiency, even if the discharge is not constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid in equilibrium can't sustain Compressive stress Bending stress Tensile stress Shear stress Compressive stress Bending stress Tensile stress Shear stress ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Super-sonic velocity Velocity of approach Critical velocity Sub-sonic velocity Super-sonic velocity Velocity of approach Critical velocity Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The point at which the resultant pressure on an immersed surface acts, is known as Centre of immersed surface Centre of gravity Centre of pressure Centre of depth Centre of immersed surface Centre of gravity Centre of pressure Centre of depth ANSWER DOWNLOAD EXAMIANS APP
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