Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film) μπ²NR/60t μπ²NR⁴/60t μπ²NR³/60t μπ²NR²/60t μπ²NR/60t μπ²NR⁴/60t μπ²NR³/60t μπ²NR²/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The normal stress in a fluid will be constant in all directions at a point only if It has zero viscosity It is at rest It has uniform viscosity It is incompressible It has zero viscosity It is at rest It has uniform viscosity It is incompressible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Saving of work done and power by fitting an air vessel to double acting reciprocating pump is of the order of 0.688 0.848 0.492 0.392 0.688 0.848 0.492 0.392 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Pressure intensifier increases the pressure in proportion to Inverse ratio of diameters Square of inverse ratio of diameters Ratio of diameters Square of ratio of diameters Inverse ratio of diameters Square of inverse ratio of diameters Ratio of diameters Square of ratio of diameters ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floating in a liquid is said to be in neutral equilibrium, if its metacentre Coincides with its centre of gravity Lies between the centre of buoyancy and centre of gravity Lies below its centre of gravity Lies above its centre of gravity Coincides with its centre of gravity Lies between the centre of buoyancy and centre of gravity Lies below its centre of gravity Lies above its centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be Unpredictable Higher than the surface of liquid Lower than the surface of liquid The same as the surface of liquid Unpredictable Higher than the surface of liquid Lower than the surface of liquid The same as the surface of liquid ANSWER DOWNLOAD EXAMIANS APP
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