Hydraulics and Fluid Mechanics in ME The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface) wh w/h h/w w wh w/h h/w w ANSWER DOWNLOAD EXAMIANS APP
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 2V/(vr - v) V/(vr + v) V/(vr - v) 2V/(vr + v) 2V/(vr - v) V/(vr + v) V/(vr - v) 2V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will Remain unchanged Decrease Increase Depend upon the characteristics of liquid Remain unchanged Decrease Increase Depend upon the characteristics of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a Francis turbine runner, the numbers of blades are generally between 4 to 8 2 to 4 16 to 24 8 to 16 4 to 8 2 to 4 16 to 24 8 to 16 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of the center 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 2.4 m 4.0 m 2.5 m 3.0 m 2.4 m 4.0 m 2.5 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is (V1² - V2²) / V1² (V1 - V2) / V1 V1 / (V1 - V2) V1² / (V1² - V2²) (V1² - V2²) / V1² (V1 - V2) / V1 V1 / (V1 - V2) V1² / (V1² - V2²) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS