Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.577 D 0.423 D 0.707 D 0.223 D 0.577 D 0.423 D 0.707 D 0.223 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as Mechanical efficiency Overall efficiency Volumetric efficiency Manometric efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Manometric efficiency 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 - 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 (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - nH) × √(2g) × H² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One liter of water occupies a volume of 250 cm3 500 cm3 1000 cm3 100 cm3 250 cm3 500 cm3 1000 cm3 100 cm3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the coefficient of discharge is 0.6, then the discharge over a right angled notch is 1.417 H5/2 0.417 H5/2 4.171 H5/2 7.141 H5/2 1.417 H5/2 0.417 H5/2 4.171 H5/2 7.141 H5/2 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 gravity Centre of depth Centre of pressure Centre of immersed surface Centre of gravity Centre of depth Centre of pressure Centre of immersed surface ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS