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 4σ cosα/wd 4wd/σ cosα σ cosα/4wd wd/4σ cosα 4σ cosα/wd 4wd/σ cosα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic similarity is said to exist between the model and the prototype, if both of them Have identical velocities Are equal in size and shape None of these Are identical in shape, but differ only in size Have identical velocities Are equal in size and shape None of these Are identical in shape, but differ only in size ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ? 0.5 0.4 0.515 0.5 0.5 0.4 0.515 0.5 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/sinθ wA wx wAx wAx/sinθ wA wx wAx ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the pipe is maximum when the head lost due to friction is equal to One-third of the total supply head One-half of the total supply head Two-third of the total supply head One-fourth of the total supply head One-third of the total supply head One-half of the total supply head Two-third of the total supply head One-fourth of the total supply head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Practical fluids possess surface tension are compressible are viscous possess all the above properties possess surface tension are compressible are viscous possess all the above properties ANSWER DOWNLOAD EXAMIANS APP
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