Hydraulics and Fluid Mechanics in ME Geometric similarity is said to exist between the model and the prototype, if both of them Have identical velocities Are identical in shape, but differ only in size Are equal in size and shape Have identical forces Have identical velocities Are identical in shape, but differ only in size Are equal in size and shape Have identical forces ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cc × Cv Cc/Cr Cv × Cr Cc × Cr Cc × Cv Cc/Cr Cv × Cr Cc × Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge Same quantity of liquid 0.75 Q 1.5 Q Q/0.75 Same quantity of liquid 0.75 Q 1.5 Q Q/0.75 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 0.6 to 0.9 1 to 1.5 0.15 to 0.3 0.4 to 0.5 0.6 to 0.9 1 to 1.5 0.15 to 0.3 0.4 to 0.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Principle of similitude forms the basis of comparing two identical equipments designing models so that the result can be converted to prototypes comparing similarity between design and actual equipment hydraulic designs comparing two identical equipments designing models so that the result can be converted to prototypes comparing similarity between design and actual equipment hydraulic designs ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Froude's number is the ratio of inertia force to Elastic force Pressure force Gravity force Surface tension force Elastic force Pressure force Gravity force Surface tension force ANSWER DOWNLOAD EXAMIANS APP
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