Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if All of these It has minimum wetted perimeter It involves lesser excavation for the designed amount of discharge It gives maximum discharge for a given cross-sectional area and bed slope All of these It has minimum wetted perimeter It involves lesser excavation for the designed amount of discharge It gives maximum discharge for a given cross-sectional area and bed slope ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Axial flow pump is started with its delivery valve Kept fully closed Kept 50% open Irrespective of any position Kept fully open Kept fully closed Kept 50% open Irrespective of any position Kept fully open ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will tend to move downward and it may finally sink rise until its weight equals the buoyant force None of these float tend to move downward and it may finally sink rise until its weight equals the buoyant force None of these float ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Gauge pressure at a point is equal to the absolute pressure ___ the atmospheric pressure. Divide Minus Plus Multiply Divide Minus Plus Multiply ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to Bernoulli’s theorem Buoyancy Equilibrium of a floating body Archimedes’ principle Bernoulli’s theorem Buoyancy Equilibrium of a floating body Archimedes’ principle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is less than unity, the flow is called Super-sonic flow Sonic flow Hyper-sonic flow Sub-sonic flow Super-sonic flow Sonic flow Hyper-sonic flow Sub-sonic flow ANSWER DOWNLOAD EXAMIANS APP