Fluid Mechanics The Prandtl mixing length is Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant Independent of the shear stress Independent of radial distance from the pipe axis Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant Independent of the shear stress Independent of radial distance from the pipe axis ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reciprocating pumps compared to centrifugal pumps Can be operated with delivery valve closed Are not subject to air binding Deliver liquid at uniform pressure Can handle slurries more efficiently Can be operated with delivery valve closed Are not subject to air binding Deliver liquid at uniform pressure Can handle slurries more efficiently ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The unit of velocity head is ft-lbf/sec ft-lb/ft³ ft-lb/sec ft-lbf/lb ft-lbf/sec ft-lb/ft³ ft-lb/sec ft-lbf/lb ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). 24 0.44 24000 0.24 24 0.44 24000 0.24 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is used for very accurate measurement of flow of gas at low velocity? Hot wire annemometer Pitot tube Rotameter Segmental orificemeter Hot wire annemometer Pitot tube Rotameter Segmental orificemeter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which law/principle of solid mechanics is similar/equivalent to Newton's law of viscosity in fluid mechanics? Archimedes principle Newton Hooke Newton Archimedes principle Newton Hooke Newton ANSWER DOWNLOAD EXAMIANS APP
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