Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be Four times Eight times Double Sixteen times Four times Eight times Double Sixteen times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2800, is called Lower critical velocity Sub-sonic velocity Super-sonic velocity Higher critical velocity Lower critical velocity Sub-sonic velocity Super-sonic velocity Higher critical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Causes sudden drop in power output and efficiency Reduces the discharge of a turbine Causes noise and vibration of various parts All of these Causes sudden drop in power output and efficiency Reduces the discharge of a turbine Causes noise and vibration of various parts All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A pressure of 25 m of head of water is equal to 2500 kN/m2 245 kN/m2 2.5 kN/m2 25 kN/m2 2500 kN/m2 245 kN/m2 2.5 kN/m2 25 kN/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A floating body is said to be in a state of stable equilibrium when its metacentric height is zero when the metacentre is above the centre of gravity only when its centre of gravity is below its centre of buoyancy when the metacentre is below the centre of gravity when its metacentric height is zero when the metacentre is above the centre of gravity only when its centre of gravity is below its centre of buoyancy when the metacentre is below the centre of gravity ANSWER DOWNLOAD EXAMIANS APP