Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Trapezoidal Square Circular Rectangular Trapezoidal Square Circular Rectangular ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of each particle at various places in the case of perfect incompressible fluid flowing in continuous stream May increase/decrease Keeps on increasing Keeps on decreasing Remain constant May increase/decrease Keeps on increasing Keeps on decreasing Remain constant 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 radial flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with mixed flow at outlet High speed with radial flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with mixed flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) √(2gh) 2gH H × √(2g) 2g × √H √(2gh) 2gH H × √(2g) 2g × √H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic similarity is said to exist between the model and the prototype, if both of them Have identical velocities Are identical in shape, but differ only in size None of these Are equal in size and shape Have identical velocities Are identical in shape, but differ only in size None of these Are equal in size and shape ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which Delivers unit discharge under unit speed Develops unit power under unit head Delivers unit discharge under unit head Develops unit power under unit speed Delivers unit discharge under unit speed Develops unit power under unit head Delivers unit discharge under unit head Develops unit power under unit speed ANSWER DOWNLOAD EXAMIANS APP