Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor turbulent when Reynold number is None of these More than 2800 Less than 2000 Between 2000 and 2800 None of these More than 2800 Less than 2000 Between 2000 and 2800 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Impulse turbine is generally fitted At the level of tail race About 2.5 m above the tail race to avoid cavitations Slightly below the tail race Little above the tail race At the level of tail race About 2.5 m above the tail race to avoid cavitations Slightly below the tail race Little above the tail race ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Bernoulli's equation Z - p/w + v²/2g = constant Z + p/w + v²/2g = constant Z + p/w - v²/2g = constant Z - p/w - v²/2g = constant Z - p/w + v²/2g = constant Z + p/w + v²/2g = constant Z + p/w - v²/2g = constant Z - p/w - v²/2g = constant 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)1/2 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An ideal flow of any fluid must satisfy Pascal law Newton’s law of viscosity boundary layer theory continuity equation Pascal law Newton’s law of viscosity boundary layer theory continuity equation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of a liquid particle in motion is equal to Kinetic energy - (pressure energy + potential energy) Pressure energy + kinetic energy + potential energy Potential energy - (pressure energy + kinetic energy Pressure energy - (kinetic energy + potential energy) Kinetic energy - (pressure energy + potential energy) Pressure energy + kinetic energy + potential energy Potential energy - (pressure energy + kinetic energy Pressure energy - (kinetic energy + potential energy) ANSWER DOWNLOAD EXAMIANS APP
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