Hydraulics and Fluid Mechanics in ME The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which Develops unit power under unit head Delivers unit discharge under unit speed Develops unit power under unit speed Delivers unit discharge under unit head Develops unit power under unit head Delivers unit discharge under unit speed Develops unit power under unit speed Delivers unit discharge under unit head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Roynolds number is less than 2000 less than 4000 between 2000 and 4000 more than 4000 less than 2000 less than 4000 between 2000 and 4000 more than 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 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 0.4 to 0.5 ANSWER DOWNLOAD EXAMIANS APP
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 equal in size and shape Are identical in shape, but differ only in size Have identical forces Have identical velocities Are equal in size and shape Are identical in shape, but differ only in size Have identical forces ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is 1 1/√2 43832 √2 1 1/√2 43832 √2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Specific speed for reaction turbines ranges from 250 to 300 10 to 100 0 to 4.5 80 to 200 250 to 300 10 to 100 0 to 4.5 80 to 200 ANSWER DOWNLOAD EXAMIANS APP
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