Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by V/(vr + v) 2V/(vr - v) 2V/(vr + v) V/(vr - v) V/(vr + v) 2V/(vr - v) 2V/(vr + v) V/(vr - v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Braking jet in an impulse turbine is used To change the direction of runner None of these To bring the runner to rest in a short time To break the jet of water To change the direction of runner None of these To bring the runner to rest in a short time To break the jet of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a static fluid Fluid pressure is zero Resistance to shear stress is small Only normal stresses can exist Linear deformation is small Fluid pressure is zero Resistance to shear stress is small Only normal stresses can exist Linear deformation is small ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 1 to 1.5 0.15 to 0.3 0.4 to 0.5 0.6 to 0.9 1 to 1.5 0.15 to 0.3 0.4 to 0.5 0.6 to 0.9 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Liquids transmit pressure equally in all the directions. This is according to Archimedes principle Boyle's law Pascal's law Newton's formula Archimedes principle Boyle's law Pascal's law Newton's formula ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if All of these It gives maximum discharge for a given cross-sectional area and bed slope It involves lesser excavation for the designed amount of discharge It has minimum wetted perimeter All of these It gives maximum discharge for a given cross-sectional area and bed slope It involves lesser excavation for the designed amount of discharge It has minimum wetted perimeter ANSWER DOWNLOAD EXAMIANS APP
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