Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? They have slow speeds All of these They give constant efficiency, even if the discharge is not constant They are suitable even for low water heads They have slow speeds All of these They give constant efficiency, even if the discharge is not constant They are suitable even for low water heads ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be w/h wh h/w h w/h wh h/w h ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is e > m > d d > m > e e > d > m d > e > m e > m > d d > m > e e > d > m d > e > m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The coefficient of viscosity may be determined by Orifice type viscometer All of these Capillary tube method Rotating cylinder method Orifice type viscometer All of these Capillary tube method Rotating cylinder method ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In axial flow fans and turbines, fluid enters and leaves as follows Radially, radially Axially, radially Radially, axially Axially, axially Radially, radially Axially, radially Radially, axially Axially, axially ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions) (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2gh) ANSWER DOWNLOAD EXAMIANS APP