Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor turbulent when Reynold number is Less than 2000 Between 2000 and 2800 None of these More than 2800 Less than 2000 Between 2000 and 2800 None of these More than 2800 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump is Proportional to diameter of impeller None of these Proportional to diameter and speed of impeller Proportional to speed of impeller Proportional to diameter of impeller None of these Proportional to diameter and speed of impeller Proportional to speed of impeller 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 Designing new impeller 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.85 to 0.90 0.50 to 0.65 0.75 to 0.85 0.65 to 0.75 0.85 to 0.90 0.50 to 0.65 0.75 to 0.85 0.65 to 0.75 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of pressure acts __________ the centre of gravity of immersed surface. At Below None of these Above At Below None of these Above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The shear stress-strain graph for a Newtonian fluid is a Straight line Hyperbolic curve Parabolic curve Elliptical Straight line Hyperbolic curve Parabolic curve Elliptical ANSWER DOWNLOAD EXAMIANS APP