Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. Remain same Decreases Increases None of these Remain same Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/4 L/2 L L/3 L/4 L/2 L L/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if Gravitational force is equal to the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is equal to the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit discharge through the turbine is Q/H3/2 Q/√H Q/H² Q/H Q/H3/2 Q/√H Q/H² Q/H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid) wH2/2 wH/2 wH2/4 wH wH2/2 wH/2 wH2/4 wH 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 High speed pump with radial flow at outlet Slow speed pump with radial flow at outlet High speed pump with axial flow at outlet Medium speed pump with radial flow at outlet High speed pump with radial flow at outlet Slow speed pump with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP