Hydraulics and Fluid Mechanics in ME The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to 0.0001 0.001 0.1 0.01 0.0001 0.001 0.1 0.01 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reaction turbines are used for High head Low head and high discharge Low head High head and low discharge High head Low head and high discharge Low head High head and low discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called Newton's law of resistance Newton's law of motion Newton's law of cooling Newton's law of viscosity Newton's law of resistance Newton's law of motion Newton's law of cooling Newton's law of viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be Maximum Could be any value Zero Minimum Maximum Could be any value Zero Minimum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is V1 / (V1 - V2) (V1² - V2²) / V1² (V1 - V2) / V1 V1² / (V1² - V2²) V1 / (V1 - V2) (V1² - V2²) / V1² (V1 - V2) / V1 V1² / (V1² - V2²) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The sheet of water flowing over a notch or a weir is known as None of these Nappe or vein Orifice Sill or crest None of these Nappe or vein Orifice Sill or crest ANSWER DOWNLOAD EXAMIANS APP
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