Hydraulics and Fluid Mechanics in ME If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by H = Hg + hf H = Hg/hf H = Hg × hf H = Hg - hf H = Hg + hf H = Hg/hf H = Hg × hf H = Hg - hf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch) (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2gH) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity is defined as the ratio of None of these Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena contracta to the area of orifice Actual discharge through an orifice to the theoretical discharge None of these Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena contracta to the area of orifice Actual discharge through an orifice to the theoretical discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure at a point 4 m below the free surface of water is 49.24 kPa 19.24 kPa 39.24 kPa 29.24 kPa 49.24 kPa 19.24 kPa 39.24 kPa 29.24 kPa ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To transport water downstream without eddies For safety of turbine To increase flow rate To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To transport water downstream without eddies For safety of turbine To increase flow rate To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Center of pressure on an inclined plane is At metacentre Below the Centroid Above the Centroid At the Centroid At metacentre Below the Centroid Above the Centroid At the Centroid ANSWER DOWNLOAD EXAMIANS APP
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