Hydraulics and Fluid Mechanics in ME In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice. One-half One-third One-fourth Equal to One-half One-third One-fourth Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Geometric similarity is said to exist between the model and the prototype, if both of them Are equal in size and shape Are identical in shape, but differ only in size Have identical velocities Have identical forces Are equal in size and shape Are identical in shape, but differ only in size Have identical velocities Have identical forces ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Casting of a centrifugal pump is designed so as to minimize Loss of kinetic energy Static head Friction loss Cavitations Loss of kinetic energy Static head Friction loss Cavitations ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a centrifugal pump, delivering 750 liters of water per second against a head of 15 meters at 725 r.p.m., is 248 r.p.m 24.8 r.p.m. 82.4 r.p.m. 48.2 r.p.m 248 r.p.m 24.8 r.p.m. 82.4 r.p.m. 48.2 r.p.m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity distribution for laminar flow through a circular tube None of these varies linearly from zero at walls to maximum at centre varies parabolically with maximum at the centre is constant over the cross-section None of these varies linearly from zero at walls to maximum at centre varies parabolically with maximum at the centre is constant over the cross-section ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Axial flow pump is started with its delivery valve Kept 50% open Kept fully closed Kept fully open Irrespective of any position Kept 50% open Kept fully closed Kept fully open Irrespective of any position ANSWER DOWNLOAD EXAMIANS APP