Hydraulics and Fluid Mechanics in ME Alcohol is used in manometers because It has low vapour pressure It has low surface tension It is clearly visible It can provide longer column due to low density It has low vapour pressure It has low surface tension It is clearly visible It can provide longer column due to low density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is between 1.5 d and 2d greater than 2d between d and 1.5 d less than d between 1.5 d and 2d greater than 2d between d and 1.5 d less than d ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reynolds number is significant in simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls All of these supersonics, as with projectile and jet propulsion full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls All of these supersonics, as with projectile and jet propulsion full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant speed and capacity, the pressure and power vary As square of density Inversely as density Directly as the air or gas density Inversely as square root of density As square of density Inversely as density Directly as the air or gas density Inversely as square root of density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to 0.01 0.1 0.001 0.0001 0.01 0.1 0.001 0.0001 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is 0.3 0.4 0.6 0.83 0.3 0.4 0.6 0.83 ANSWER DOWNLOAD EXAMIANS APP