Hydraulics and Fluid Mechanics in ME The unit of surface tension is N/m3 N-m N/m2 N/m N/m3 N-m N/m2 N/m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surge wave in a rectangular channel is an example ofi) steady flowii) unsteady flowiii) uniform flowiv) non-uniform flowThe correct answer is (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) 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/4 L/3 L L/2 L/4 L/3 L ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of the centre of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is 3.0 m 4.0 m 2.4 m 5.0 m 3.0 m 4.0 m 2.4 m 5.0 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Overall efficiency of a centrifugal pump is the ratio of Energy available at the impeller to the energy supplied to the pump by the prime mover Actual work-done by the pump to the energy supplied to the pump by the prime mover Manometric head to the energy supplied by the impeller per kN of water Energy supplied to the pump to the energy available at the impeller Energy available at the impeller to the energy supplied to the pump by the prime mover Actual work-done by the pump to the energy supplied to the pump by the prime mover Manometric head to the energy supplied by the impeller per kN of water Energy supplied to the pump to the energy available at the impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the hydraulic gradient line by an amount equal to the Velocity head Pressure head - velocity head Pressure head + velocity head Pressure head Velocity head Pressure head - velocity head Pressure head + velocity head Pressure head ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS