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 In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Sixteen times Double Eight times Four times Sixteen times Double Eight times Four times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of each particle at various places in the case of perfect incompressible fluid flowing in continuous stream May increase/decrease Keeps on decreasing Remain constant Keeps on increasing May increase/decrease Keeps on decreasing Remain constant Keeps on increasing ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is (waV²/g) × sin θ (waV²/2g) × sin 2θ (waV/g) × sin θ (waV/2g) × sin θ (waV²/g) × sin θ (waV²/2g) × sin 2θ (waV/g) × sin θ (waV/2g) × sin θ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Bernoulli's equation Z - p/w - v²/2g = constant Z - p/w + v²/2g = constant Z + p/w + v²/2g = constant Z + p/w - v²/2g = constant Z - p/w - v²/2g = constant Z - p/w + v²/2g = constant Z + p/w + v²/2g = constant Z + p/w - v²/2g = constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure at the summit of a syphon is equal to atmospheric None of these less than atmospheric more than atmospheric equal to atmospheric None of these less than atmospheric more than atmospheric ANSWER DOWNLOAD EXAMIANS APP