Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water to the turbines? Centrifugal pump Jet pump Reciprocating pump Air lift pump Centrifugal pump Jet pump Reciprocating pump Air lift pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Q ηo) / Hm (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Q ηo) / Hm (w Hm) / (Q × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To increase flow rate For safety of turbine To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To transport water downstream without eddies To increase flow rate For safety of turbine To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To transport water downstream without eddies ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to equation of continuity, a1v1 = a2v2 a1/v1 = a2/v2 w1a1 = w2a2 w1v1 = w2v2 a1v1 = a2v2 a1/v1 = a2/v2 w1a1 = w2a2 w1v1 = w2v2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Alcohol is used in manometers because It can provide longer column due to low density It has low surface tension It has low vapour pressure It is clearly visible It can provide longer column due to low density It has low surface tension It has low vapour pressure It is clearly visible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow. Equal to None of these Less than More than Equal to None of these Less than More than ANSWER DOWNLOAD EXAMIANS APP
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