Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Rectangular Square Circular Trapezoidal Rectangular Square Circular Trapezoidal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be Four times Eight times Double Sixteen times Four times Eight times Double Sixteen times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following instrument can be used for measuring speed of a submarine moving in deep sea hot wire anemometer rotameter pitot tube Venturimeter hot wire anemometer rotameter pitot tube Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 1 to 1.5 0.6 to 0.9 0.15 to 0.3 0.4 to 0.5 1 to 1.5 0.6 to 0.9 0.15 to 0.3 0.4 to 0.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in reaction turbines is avoided, to a great extent by Using stainless steel runner of the turbine All of these Providing highly polished blades to the runner Installing the turbine below the tail race level Using stainless steel runner of the turbine All of these Providing highly polished blades to the runner Installing the turbine below the tail race level ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Francis turbine is best suited for Low head installation up to 30 m All types of heads High head installation above 180 m Medium head application from 24 to 180 m Low head installation up to 30 m All types of heads High head installation above 180 m Medium head application from 24 to 180 m ANSWER DOWNLOAD EXAMIANS APP
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