Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface. H/2 2H/3 H/3 3H/4 H/2 2H/3 H/3 3H/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An ideal flow of any fluid must fulfill the following Newton’s law of motion Pascal’ law Newton’s law of viscosity Continuity equation Newton’s law of motion Pascal’ law Newton’s law of viscosity Continuity equation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the surface of liquid is convex, men There is no cohesion pressure Cohesion pressure is negligible Cohesion pressure is increased Cohesion pressure is decreased There is no cohesion pressure Cohesion pressure is negligible Cohesion pressure is increased Cohesion pressure is decreased 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 - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2g) × H² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vessel of 4 m3 contains oil which weighs 30 kN. The specific weight of the oil is 7.5 kN/m3 4.5 kN/m3 6 kN/m3 10 kN/m3 7.5 kN/m3 4.5 kN/m3 6 kN/m3 10 kN/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be Lower than the surface of liquid Unpredictable The same as the surface of liquid Higher than the surface of liquid Lower than the surface of liquid Unpredictable The same as the surface of liquid Higher than the surface of liquid ANSWER DOWNLOAD EXAMIANS APP