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) V/(vr - v) 2V/(vr - v) 2V/(vr + v) V/(vr + v) V/(vr - v) 2V/(vr - v) 2V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Velocity of approach Sub-sonic velocity Super-sonic velocity Critical velocity Velocity of approach Sub-sonic velocity Super-sonic velocity Critical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Euler's equation in the differential form for the motion of liquids is given by dp/ρ - g.dz + v.dv = 0 ρ.dp - g.dz + v.dv = 0 dp/ρ + g.dz + v.dv = 0 ρ.dp + g.dz + v.dv = 0 dp/ρ - g.dz + v.dv = 0 ρ.dp - g.dz + v.dv = 0 dp/ρ + g.dz + v.dv = 0 ρ.dp + g.dz + v.dv = 0 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Gauge pressure at a point is equal to the absolute pressure ___ the atmospheric pressure. Minus Multiply Plus Divide Minus Multiply Plus Divide ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of gases __________ with rise in temperature. Decreases Increases Remain unaffected None of these Decreases Increases Remain unaffected None of these 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) 0.423 R 0.223 R 0.577 R 0.707 R 0.423 R 0.223 R 0.577 R 0.707 R ANSWER DOWNLOAD EXAMIANS APP
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