Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To increase flow rate To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section For safety of turbine To transport water downstream without eddies To increase flow rate To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section For safety of turbine To transport water downstream without eddies ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mass per unit volume of a liquid at a standard temperature and pressure is called Specific weight Mass density Specific gravity None of these Specific weight Mass density Specific gravity None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The angle of taper on draft tube is Greater than 8° Greater than 15° Greater than 5° Less than 8° Greater than 8° Greater than 15° Greater than 5° Less than 8° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Pressure intensifier increases the pressure in proportion to Square of inverse ratio of diameters Inverse ratio of diameters Square of ratio of diameters Ratio of diameters Square of inverse ratio of diameters Inverse ratio of diameters Square of ratio of diameters Ratio of diameters ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s) w × Q (H - hf) w × Q × H w × Q × hf w × Q (H + hf) w × Q (H - hf) w × Q × H w × Q × hf w × Q (H + hf) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) ANSWER DOWNLOAD EXAMIANS APP
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