Hydraulics and Fluid Mechanics in ME Falling drops of water become spheres due to the property of cohesion surface tension adhesion viscosity cohesion surface tension adhesion viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be 1.5 B.H.P H.P./0.75 Same 0.75 B.H.P 1.5 B.H.P H.P./0.75 Same 0.75 B.H.P ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal ratio of inertial force to force due to gravitation ratio of inertial force to force due to viscosity all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to surface tension ratio of inertial force to force due to gravitation ratio of inertial force to force due to viscosity all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A metal with specific gravity of o floating in a fluid of same specific gravity a will float over fluid be fully immersed with top surface at fluid surface partly immersed sink to bottom float over fluid be fully immersed with top surface at fluid surface partly immersed sink to bottom 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 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge of a centrifugal pump is Directly proportional to (diameter)² of its impeller Inversely proportional to diameter of its impeller Directly proportional to diameter of its impeller Inversely proportional to (diameter)² of its impeller Directly proportional to (diameter)² of its impeller Inversely proportional to diameter of its impeller Directly proportional to diameter of its impeller Inversely proportional to (diameter)² of its impeller ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS