Hydraulics and Fluid Mechanics in ME In centrifugal pumps, maximum efficiency is obtained when the blades are Straight Radial Bent forward Bent backward Straight Radial Bent forward Bent backward 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 × bH × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Alcohol is used in manometers because It is clearly visible It can provide longer column due to low density It has low surface tension It has low vapour pressure It is clearly visible It can provide longer column due to low density It has low surface tension It has low vapour pressure 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 Decrease Depend upon the characteristics of liquid Increase Remain unchanged Decrease Depend upon the characteristics of liquid Increase Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity of jet of water travelling out of opening in a tank filled with water is proportional to h2 V/T h2 head of water (h) h2 V/T h2 head of water (h) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The top of the weir over which the water flows is known as Orifice None of these Nappe or vein Sill or crest Orifice None of these Nappe or vein Sill or crest ANSWER DOWNLOAD EXAMIANS APP