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) 4wd/σ cosα wd/4σ cosα 4σ cosα/wd σ cosα/4wd 4wd/σ cosα wd/4σ cosα 4σ cosα/wd σ cosα/4wd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The top of the weir over which the water flows is known as Nappe or vein Sill or crest Orifice None of these Nappe or vein Sill or crest Orifice None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of 39.2% 68.8% 49.2% 84.8% 39.2% 68.8% 49.2% 84.8% ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an ideal fluid flows past a sphere highest intensity of pressure occurs around the circumference at right angles to flow lowest pressure intensity occurs at rear stagnation point total drag is zero lowest pressure intensity occurs at front stagnation point highest intensity of pressure occurs around the circumference at right angles to flow lowest pressure intensity occurs at rear stagnation point total drag is zero lowest pressure intensity occurs at front stagnation point ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is turbulent when Reynold number is Less than 2000 None of these Between 2000 and 2800 More than 2800 Less than 2000 None of these Between 2000 and 2800 More than 2800 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The runaway speed of a hydraulic turbine is the speed Corresponding to maximum overload permissible At full load At which the turbine will run freely without load At which there will be no damage to the runner Corresponding to maximum overload permissible At full load At which the turbine will run freely without load At which there will be no damage to the runner ANSWER DOWNLOAD EXAMIANS APP