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 length of a liquid stream while flowing over a weir __________ at the ends of the sill. None of these Expands Does not change Contracts None of these Expands Does not change Contracts ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the Velocity head Manometric head Kinetic head Static head Velocity head Manometric head Kinetic head Static head 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. 2H/3 3H/4 H/2 H/3 2H/3 3H/4 H/2 H/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 x (225)3/2 minutes 4 minutes 4 (225)1/3 minutes 4 x V225 minutes 4 x (225)3/2 minutes 4 minutes 4 (225)1/3 minutes 4 x V225 minutes ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a liquid is flowing through a pipe, the velocity of the liquid is Maximum at the centre and zero near the walls Maximum at the centre and minimum near the walls Minimum at the centre and maximum near the walls Zero at the centre and maximum near the walls Maximum at the centre and zero near the walls Maximum at the centre and minimum near the walls Minimum at the centre and maximum near the walls Zero at the centre and maximum near the walls ANSWER DOWNLOAD EXAMIANS APP