Hydraulics and Fluid Mechanics in ME In a reaction turbine, the draft tube is used To run the turbine full To transport water to downstream To increase the head of water by an amount equal to the height of the runner outlet above the tail race To prevent air to enter the turbine To run the turbine full To transport water to downstream To increase the head of water by an amount equal to the height of the runner outlet above the tail race To prevent air to enter the turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the laminar flow stops, is known as Higher critical velocity Lower critical velocity None of these Velocity of approach Higher critical velocity Lower critical velocity None of these Velocity of approach ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is High speed with mixed flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with radial flow at outlet High speed with mixed flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The intensity of pressure at any point, in a liquid, is Directly proportional to the depth of liquid from the surface Directly proportional to the length of the vessel containing liquid Directly proportional to the area of the vessel containing liquid Inversely proportional to the depth of liquid from the surface Directly proportional to the depth of liquid from the surface Directly proportional to the length of the vessel containing liquid Directly proportional to the area of the vessel containing liquid Inversely proportional to the depth of liquid from the surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the liquids with rise in temperature Unpredictable Remain unaffected Increases Decreases Unpredictable Remain unaffected Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is an incorrect statement ? None of these Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined Flow nozzle is cheaper than venturimeter but has higher energy loss Coefficient of contraction of a venturimeter is unity None of these Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined Flow nozzle is cheaper than venturimeter but has higher energy loss Coefficient of contraction of a venturimeter is unity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS