Hydraulics and Fluid Mechanics in ME An ideal flow of any fluid must fulfill the following Newton’s law of viscosity Newton’s law of motion Continuity equation Pascal’ law Newton’s law of viscosity Newton’s law of motion Continuity equation Pascal’ law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cc × Cr Cc × Cv Cv × Cr Cc/Cr Cc × Cr Cc × Cv Cv × Cr Cc/Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) σ cosα/4wd wd/4σ cosα 4wd/σ cosα 4σ cosα/wd σ cosα/4wd wd/4σ cosα 4wd/σ cosα 4σ cosα/wd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2800, is called Super-sonic velocity Higher critical velocity Lower critical velocity Sub-sonic velocity Super-sonic velocity Higher critical velocity Lower critical velocity Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will float if Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME General energy equation holds for turbulent flow non-uniform flow steady flow laminar flow turbulent flow non-uniform flow steady flow laminar flow ANSWER DOWNLOAD EXAMIANS APP