Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit of dynamic viscosity in S.I. units is Stoke Poise N-m/s² N-s/m² Stoke Poise N-m/s² N-s/m² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be 1.5 B.H.P H.P./0.75 Same 0.75 B.H.P 1.5 B.H.P H.P./0.75 Same 0.75 B.H.P ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section For safety of turbine To increase flow rate To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section For safety of turbine To increase flow rate ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reaction turbines are used for High head Low head and high discharge Low head High head and low discharge High head Low head and high discharge Low head High head and low discharge 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 Increase Depend upon the characteristics of liquid Decrease Remain unchanged Increase Depend upon the characteristics of liquid Decrease ANSWER DOWNLOAD EXAMIANS APP
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