Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by V/(vr + v) 2V/(vr - v) V/(vr - v) 2V/(vr + v) V/(vr + v) 2V/(vr - v) V/(vr - v) 2V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow rate in gear pump More or less remains constant with increase in pressure Increases with increase in pressure Unpredictable Decreases with increase in pressure More or less remains constant with increase in pressure Increases with increase in pressure Unpredictable Decreases with increase in pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid) 4μvl/wd² 8μvl/wd² 16μvl/wd² 32μvl/wd² 4μvl/wd² 8μvl/wd² 16μvl/wd² 32μvl/wd² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Newton's law of viscosity is a relationship between Rate of shear strain and temperature Pressure, velocity and temperature Shear stress and velocity Shear stress and rate of shear strain Rate of shear strain and temperature Pressure, velocity and temperature Shear stress and velocity Shear stress and rate of shear strain ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Flow occurring in a pipeline when a valve is being opened is unsteady steady vortex laminar unsteady steady vortex laminar ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/2 L/3 L L/4 L/2 L/3 L L/4 ANSWER DOWNLOAD EXAMIANS APP
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