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 weight per unit volume of a liquid at a standard temperature and pressure is called Specific gravity Mass density None of these Specific weight Specific gravity Mass density None of these Specific weight ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) σ cosα/4wd wd/4σ cosα 4σ cosα/wd 4wd/σ cosα σ cosα/4wd wd/4σ cosα 4σ cosα/wd 4wd/σ cosα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Hydrometer is used to determine specific gravity of solids specific gravity of gases specific gravity of liquids relative humidity specific gravity of solids specific gravity of gases specific gravity of liquids relative humidity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Motion of a liquid in a volute casing of a centrifugal pump is an example of Radial Forced spiral vortex flow Rotational flow Spiral vortex flow Radial Forced spiral vortex flow Rotational flow Spiral vortex flow 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
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