Hydraulics and Fluid Mechanics in ME For pipes, turbulent flow occurs when Reynolds number is less than 4000 more than 4000 between 2000 and 4000 less than 2000 less than 4000 more than 4000 between 2000 and 4000 less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit of kinematic viscosity in S. I. units is N-s/m2 N-m N-m/s m2/s N-s/m2 N-m N-m/s m2/s 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) 4σ cosα/wd 4wd/σ cosα wd/4σ cosα σ cosα/4wd 4σ cosα/wd 4wd/σ cosα wd/4σ cosα σ cosα/4wd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The number of buckets on the periphery of a Pelton wheel is given by (D/2d) + 10 (D/2d) + 15 (D/2d) + 5 (D/2d) + 20 (D/2d) + 10 (D/2d) + 15 (D/2d) + 5 (D/2d) + 20 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of actual work available at the turbine to the energy imparted to the wheel is known as ________ efficiency. None of these Hydraulic Overall Mechanical None of these Hydraulic Overall Mechanical ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Alcohol is used in manometers because It is clearly visible It has low vapour pressure It has low surface tension It can provide longer column due to low density It is clearly visible It has low vapour pressure It has low surface tension It can provide longer column due to low density ANSWER DOWNLOAD EXAMIANS APP