Hydraulics and Fluid Mechanics in ME The flow rate in gear pump Unpredictable Decreases with increase in pressure Increases with increase in pressure More or less remains constant with increase in pressure Unpredictable Decreases with increase in pressure Increases with increase in pressure More or less remains constant with increase in pressure ANSWER DOWNLOAD EXAMIANS APP
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 Eight times Four times Double Sixteen times Eight times Four times Double Sixteen times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be 5 meters of water column 3 meters of water column 2 meters of water column 6 meters of water Column 5 meters of water column 3 meters of water column 2 meters of water column 6 meters of water Column ANSWER DOWNLOAD EXAMIANS APP
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 = 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 Q = π.b.Vf Q = π.D.Vf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dimensions of surface tension are ML r² ML°T⁻² ML²T² ML°T ML r² ML°T⁻² ML²T² ML°T ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of gases __________ with rise in temperature. Increases Remain unaffected None of these Decreases Increases Remain unaffected None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
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