Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 0.4 to 0.5 0.15 to 0.3 1 to 1.5 0.6 to 0.9 0.4 to 0.5 0.15 to 0.3 1 to 1.5 0.6 to 0.9 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mercury does not wet the glass. This is due to the property of the liquid known as Adhesion Viscosity Cohesion Surface tension Adhesion Viscosity Cohesion Surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic coupling belongs to the category of Energy generating machines Energy transfer machines Power developing machines Power absorbing machines Energy generating machines Energy transfer machines Power developing machines Power absorbing machines ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One poise is equal to 1 N-s/m2 10 N-s/m2 100 N-s/m2 0.1 N-s/m2 1 N-s/m2 10 N-s/m2 100 N-s/m2 0.1 N-s/m2 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) wd/4σ cosα 4wd/σ cosα σ cosα/4wd 4σ cosα/wd wd/4σ cosα 4wd/σ cosα σ cosα/4wd 4σ cosα/wd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions) (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 ANSWER DOWNLOAD EXAMIANS APP
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