Hydraulics and Fluid Mechanics in ME Metacentre is the point of intersection of vertical upward force through e.g. of body and center line of body buoyant force and the center line of body mid point between e.g. and center of buoyancy All of these vertical upward force through e.g. of body and center line of body buoyant force and the center line of body mid point between e.g. and center of buoyancy All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta. None of these Equal to Less than More than None of these Equal to Less than More than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of gases __________ with rise in temperature. None of these Decreases Increases Remain unaffected None of these Decreases Increases Remain unaffected 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 Two-third of the total supply head One-third of the total supply head One-fourth of the total supply head One-half of the total supply head Two-third of the total supply head One-third of the total supply head One-fourth of the total supply head One-half of the total supply head 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) × √(2g) × H5/2 (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - nH) × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Impulse turbine is generally fitted Little above the tail race Slightly below the tail race At the level of tail race About 2.5 m above the tail race to avoid cavitations Little above the tail race Slightly below the tail race At the level of tail race About 2.5 m above the tail race to avoid cavitations ANSWER DOWNLOAD EXAMIANS APP
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