Hydraulics and Fluid Mechanics in ME If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water 51 cm 52 cm 50 cm 52.2 cm 51 cm 52 cm 50 cm 52.2 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A pressure of 25 m of head of water is equal to 25 kN/m2 2.5 kN/m2 245 kN/m2 2500 kN/m2 25 kN/m2 2.5 kN/m2 245 kN/m2 2500 kN/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum efficiency of jet propulsion of a ship with inlet orifices at right angles to the direction of motion of ship, is 0.5 0.4 0.8 0.6 0.5 0.4 0.8 0.6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than viscosity frictional force All of these surface friction viscosity frictional force All of these surface friction 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 contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is 0.375 v₂²/2g v₂²/2g 0.5 v₁²/2g v₁²/2g 0.375 v₂²/2g v₂²/2g 0.5 v₁²/2g v₁²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of mass density in kg-sec-V-m⁴ for water at 0°C is 100.9 101.9 1 1000 100.9 101.9 1 1000 ANSWER DOWNLOAD EXAMIANS APP