Hydraulics and Fluid Mechanics in ME A Francis turbine is used when the available head of water is 25 m to 250 m 0 to 25 m Above 250 m None of these 25 m to 250 m 0 to 25 m Above 250 m None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An orifice is said to be large, if The velocity of flow is large The available head of liquid is more than 5 times the height of orifice The size of orifice is large The available head of liquid is less than 5 times the height of orifice The velocity of flow is large The available head of liquid is more than 5 times the height of orifice The size of orifice is large The available head of liquid is less than 5 times the height of orifice 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 0.15 to 0.3 0.6 to 0.9 0.4 to 0.5 1 to 1.5 0.15 to 0.3 0.6 to 0.9 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Not possible Trimming the impeller size to the required size by machining Some other alterations in the impeller Designing new impeller Not possible Trimming the impeller size to the required size by machining Some other alterations in the impeller Designing new impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The critical depth meter is used to measure Depth of flow in an open channel Hydraulic jump Velocity of flow in an open channel Depth of channel Depth of flow in an open channel Hydraulic jump Velocity of flow in an open channel Depth of channel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Kinematic similarity is said to exist between the model and the prototype, if both of them Are identical in shape, but differ only in size Have identical velocities Have identical forces Are equal in size and shape Are identical in shape, but differ only in size Have identical velocities Have identical forces Are equal in size and shape ANSWER DOWNLOAD EXAMIANS APP
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