Hydraulics and Fluid Mechanics in ME Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet) Q = π.b.Vf Q = π.D.Vf Q = D.b.Vf Q = π.D.bf.V Q = π.b.Vf Q = π.D.Vf Q = D.b.Vf Q = π.D.bf.V ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Differential manometer is used to measure Very low pressure Pressure in pipes, channels etc. Difference of pressure between two points Atmospheric pressure Very low pressure Pressure in pipes, channels etc. Difference of pressure between two points Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number) 4/RN 1/RN 64/RN 16/RN 4/RN 1/RN 64/RN 16/RN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a Francis turbine runner, the numbers of blades are generally between 4 to 8 2 to 4 16 to 24 8 to 16 4 to 8 2 to 4 16 to 24 8 to 16 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a lock-gate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock) p/sinα 2p/sinα p/2sinα 2p/sin (α/2) p/sinα 2p/sinα p/2sinα 2p/sin (α/2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a collar bearing is (where R1 and R2 = External and internal radius of collar) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁⁴ - R₂⁴) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁⁴ - R₂⁴) ANSWER DOWNLOAD EXAMIANS APP
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