Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by 2V/(vr - v) 2V/(vr + v) V/(vr - v) V/(vr + v) 2V/(vr - v) 2V/(vr + v) V/(vr - v) V/(vr + v) 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 decreasing Remain constant Keeps on increasing May increase/decrease Keeps on decreasing Remain constant Keeps on increasing 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) × 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) (2/3) × Cd (L - nH) × √(2g) × H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The horizontal component of buoyant force is Negligible Zero Same as buoyant force None of these Negligible Zero Same as buoyant force None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head. One-third One-half Two-third None of these One-third One-half Two-third None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of absolute viscosity to mass density is known as kinematic viscosity coefficient of viscosity viscosity index specific viscosity kinematic viscosity coefficient of viscosity viscosity index specific viscosity ANSWER DOWNLOAD EXAMIANS APP
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