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) 2V/(vr - v) V/(vr + v) V/(vr - v) 2V/(vr + v) 2V/(vr - v) V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface. H/2 2H/3 3H/4 H/3 H/2 2H/3 3H/4 H/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.26 0.46 0.56 0.36 0.26 0.46 0.56 0.36 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid) K.ρ None of the listed here ρ/K K/ρ K.ρ None of the listed here ρ/K K/ρ 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/2sinα p/sinα 2p/sinα 2p/sin (α/2) p/2sinα p/sinα 2p/sinα 2p/sin (α/2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Half the breadth Twice the breadth Half the depth Twice the depth Half the breadth Twice the breadth Half the depth Twice the depth ANSWER DOWNLOAD EXAMIANS APP
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