Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies Cube of fan speed Directly as fan speed Square root of fan speed Square of fan speed Cube of fan speed Directly as fan speed Square root of fan speed Square of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Overall efficiency of a centrifugal pump is the ratio of Energy available at the impeller to the energy supplied to the pump by the prime mover Energy supplied to the pump to the energy available at the impeller Actual work-done by the pump to the energy supplied to the pump by the prime mover Manometric head to the energy supplied by the impeller per kN of water Energy available at the impeller to the energy supplied to the pump by the prime mover Energy supplied to the pump to the energy available at the impeller Actual work-done by the pump to the energy supplied to the pump by the prime mover Manometric head to the energy supplied by the impeller per kN of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Specific speed for reaction turbines ranges from 10 to 100 0 to 4.5 80 to 200 250 to 300 10 to 100 0 to 4.5 80 to 200 250 to 300 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe) 0.223 R 0.707 R 0.423 R 0.577 R 0.223 R 0.707 R 0.423 R 0.577 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hypersonic flow, the Mach number is greater than 2 unity greater than 4 greater than unity greater than 2 unity greater than 4 greater than unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A floating body is said to be in a state of stable equilibrium 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 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 ANSWER DOWNLOAD EXAMIANS APP