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 × √(2gH) (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2g) × H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe) d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta. Less than Equal to More than None of these Less than Equal to More than None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the depth of water in an open channel is greater than the critical depth, the flow is called Torrential flow Turbulent flow Critical flow Tranquil flow Torrential flow Turbulent flow Critical flow Tranquil flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a free nappe, The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure above the nappe is negative ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, center of pressure is could be above or below e.g. depending on density of body and liquid at the center of gravity below be center of gravity above the center of gravity could be above or below e.g. depending on density of body and liquid at the center of gravity below be center of gravity above the center of gravity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS