Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as Any one of these 9.81 × 103 N/m3 9.81 × 10-6 N/mm3 9.81 kN/m3 Any one of these 9.81 × 103 N/m3 9.81 × 10-6 N/mm3 9.81 kN/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of water at 20°C is One stoke One poise One centipoise One centistoke One stoke One poise One centipoise One centistoke ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 minutes 4 x (225)3/2 minutes 4 (225)1/3 minutes 4 x V225 minutes 4 minutes 4 x (225)3/2 minutes 4 (225)1/3 minutes 4 x V225 minutes ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Multistage centrifugal pumps are used to Pump viscous fluids Produce high heads All of these Give high discharge Pump viscous fluids Produce high heads All of these Give high discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly enlarged to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden enlargement is (v₁² - v₂²)/2g (v₁ - v₂)²/g (v₁ - v₂)²/2g (v₁² - v₂²)/g (v₁² - v₂²)/2g (v₁ - v₂)²/g (v₁ - v₂)²/2g (v₁² - v₂²)/g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed (Ns) of a centrifugal pump is given by (N√Q)/H5/4 (N√Q)/H (N√Q)/H2/3 (N√Q)/H3/4 (N√Q)/H5/4 (N√Q)/H (N√Q)/H2/3 (N√Q)/H3/4 ANSWER DOWNLOAD EXAMIANS APP