Hydraulics and Fluid Mechanics in ME
The power absorbed (in watts) in overcoming the viscous resistance of a footstep bearing is

μ π³ N² R² /1800 t
μ π³ N² R² /3600 t
μ π³ N² R⁴ /3600 t
μ π³ N² R⁴ /1800 t

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
The meatcentric height is the distance between the

Centre of gravity of the floating body and the centre of buoyancy
Metacentre and centre of buoyancy
Centre of gravity of the floating body and the metacentre
Original centre of buoyancy and new centre of buoyancy

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
The hydraulic efficiency of an impulse turbine is the

None of these
Ratio of the work done on the wheel to the energy of the jet
Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine
Ratio of the actual work available at the turbine to the energy imparted to the wheel

ANSWER DOWNLOAD EXAMIANS APP