Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.56 0.26 0.46 0.36 0.56 0.26 0.46 0.36 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed from 160 to 500 r.p.m. of a centrifugal pump indicates that the pump is High speed with radial flow at outlet High speed with axial 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 axial flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet 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 Directly proportional to N Inversely proportional to N Directly proportional to N² Inversely proportional to N² Directly proportional to N Inversely proportional to N Directly proportional to N² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity distribution for laminar flow through a circular tube varies linearly from zero at walls to maximum at centre varies parabolically with maximum at the centre None of these is constant over the cross-section varies linearly from zero at walls to maximum at centre varies parabolically with maximum at the centre None of these is constant over the cross-section ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. None of these Increases Decreases Remain same None of these Increases Decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2800, is called Sub-sonic velocity Super-sonic velocity Lower critical velocity Higher critical velocity Sub-sonic velocity Super-sonic velocity Lower critical velocity Higher critical velocity ANSWER DOWNLOAD EXAMIANS APP
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