Hydraulics and Fluid Mechanics in ME Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of High initial and maintenance cost Lower discharge Necessity of air vessel Lower speed of operation High initial and maintenance cost Lower discharge Necessity of air vessel Lower speed of operation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reaction turbine, the draft tube is used To run the turbine full To increase the head of water by an amount equal to the height of the runner outlet above the tail race To transport water to downstream To prevent air to enter the turbine To run the turbine full To increase the head of water by an amount equal to the height of the runner outlet above the tail race To transport water to downstream To prevent air to enter the turbine 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 / (V1² - V2²) (V1 - V2) / V1 (V1² - V2²) / V1² V1 / (V1 - V2) V1² / (V1² - V2²) (V1 - V2) / V1 (V1² - V2²) / V1² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because All of these It is not possible to conduct this experiment with any other tube Glass tube is cheaper than a metallic tube It is easier to see through the glass tube All of these It is not possible to conduct this experiment with any other tube Glass tube is cheaper than a metallic tube It is easier to see through the glass tube ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is equal nearly half slightly less slightly more equal nearly half slightly less slightly more ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge of a centrifugal pump is (where N = Speed of the pump impeller) Inversely proportional to N² Inversely proportional to N Directly proportional to N² Directly proportional to N Inversely proportional to N² Inversely proportional to N Directly proportional to N² Directly proportional to N ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS