Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Reduces the discharge of a turbine Causes noise and vibration of various parts Causes sudden drop in power output and efficiency All of these Reduces the discharge of a turbine Causes noise and vibration of various parts Causes sudden drop in power output and efficiency All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The type of centrifugal pump preferred for a specific speed of 20 r.p.m. is High speed pump with axial flow at outlet Medium speed pump with radial flow at outlet Slow speed pump with radial flow at outlet High speed pump with radial flow at outlet High speed pump with axial flow at outlet Medium speed pump with radial flow at outlet Slow speed pump with radial flow at outlet High speed pump with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Resultant pressure of the liquid in the case of an immersed body acts through Centre of buoyancy Centre of gravity Centre of pressure Metacentre Centre of buoyancy Centre of gravity Centre of pressure Metacentre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is an example of laminar flow? Underground flow Flow of oil in measuring instruments All of these Flow past tiny bodies Underground flow Flow of oil in measuring instruments All of these Flow past tiny bodies ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.40 cm 0.10 cm 0.05 cm 0.20 cm 0.40 cm 0.10 cm 0.05 cm 0.20 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will increase decrease remain unaffected may increase or decrease depending on the characteristics of liquid increase decrease remain unaffected may increase or decrease depending on the characteristics of liquid ANSWER DOWNLOAD EXAMIANS APP