Hydraulics and Fluid Mechanics in ME The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to 0.001 0.1 0.0001 0.01 0.001 0.1 0.0001 0.01 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water from deep wells? Centrifugal pump Air lift pump Reciprocating pump Jet pump Centrifugal pump Air lift pump Reciprocating pump Jet pump 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 Some other alterations in the impeller Trimming the impeller size to the required size by machining Not possible Designing new impeller Some other alterations in the impeller Trimming the impeller size to the required size by machining Not possible Designing new impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The shear stress between the two liquid layers is __________ proportional to the distance between two layers. Inversely Both A and B Directly None of these Inversely Both A and B Directly None of these 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 Minimum Zero Maximum Could be any value Minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s) w × Q (H + hf) w × Q × hf w × Q × H w × Q (H - hf) w × Q (H + hf) w × Q × hf w × Q × H w × Q (H - hf) ANSWER DOWNLOAD EXAMIANS APP