Hydraulics and Fluid Mechanics in ME Reynold's number is the ratio of the inertia force to the Surface tension force Viscous force Gravity force Elastic force Surface tension force Viscous force Gravity force Elastic force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The divergent portion of a Venturimeter is made longer than convergent portion in order to Both (A) and (B) To minimize frictional losses None of these Avoid the tendency of breaking away the stream of liquid Both (A) and (B) To minimize frictional losses None of these Avoid the tendency of breaking away the stream of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A square surface 3 m × 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is 27,000 kg 13,500 kg 9,000 kg 18,000 kg 27,000 kg 13,500 kg 9,000 kg 18,000 kg 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 Depend upon the characteristics of liquid Decrease Increase Remain unchanged Depend upon the characteristics of liquid Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio of Francis turbine is defined as the ratio of the Velocity of runner at inlet to the velocity of flow at inlet Theoretical velocity of jet to the velocity of flow at inlet Velocity of flow at inlet to the theoretical jet velocity None of these Velocity of runner at inlet to the velocity of flow at inlet Theoretical velocity of jet to the velocity of flow at inlet Velocity of flow at inlet to the theoretical jet velocity None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) ANSWER DOWNLOAD EXAMIANS APP