Hydraulics and Fluid Mechanics in ME Geometric similarity is said to exist between the model and the prototype, if both of them Have identical forces Are identical in shape, but differ only in size Have identical velocities Are equal in size and shape Have identical forces Are identical in shape, but differ only in size Have identical velocities Are equal in size and shape 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) × H² (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2g) × H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity of the liquid flowing through the divergent portion of a Venturimeter Depends upon mass of liquid Decreases Increases Remains constant Depends upon mass of liquid Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a depressed nappe The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is negative ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 0.4 to 0.5 1 to 1.5 0.6 to 0.9 0.15 to 0.3 0.4 to 0.5 1 to 1.5 0.6 to 0.9 0.15 to 0.3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called buoyancy metacentre reaction upthrust buoyancy metacentre reaction upthrust ANSWER DOWNLOAD EXAMIANS APP
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