Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. None of these Lower than Same as Higher than None of these Lower than Same as Higher than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power absorbed (in watts) in overcoming the viscous resistance of a footstep bearing is μ π³ N² R⁴ /1800 t μ π³ N² R⁴ /3600 t μ π³ N² R² /1800 t μ π³ N² R² /3600 t μ π³ N² R⁴ /1800 t μ π³ N² R⁴ /3600 t μ π³ N² R² /1800 t μ π³ N² R² /3600 t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Euler’s dimensionless number relates the following viscous force and buoyancy force inertial force and gravity viscous force and inertial force pressure force and inertial force viscous force and buoyancy force inertial force and gravity viscous force and inertial force pressure force and inertial force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The volume of a fluid __________ as the pressure increases. Increases Remains same Decreases None of these Increases Remains same Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Pelton wheel with two or more nozzles Francis turbine Kaplan turbine Pelton wheel with one nozzle Pelton wheel with two or more nozzles Francis turbine Kaplan turbine Pelton wheel with one nozzle 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
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