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) V/(vr + v) 2V/(vr - v) 2V/(vr + v) V/(vr - v) V/(vr + v) 2V/(vr - v) 2V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed of a pressure wave through a pipe depends upon the viscosity of fluid the bulk modulus for the fluid the original head the length of pipe the viscosity of fluid the bulk modulus for the fluid the original head the length of pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity One-half Three-fourth One-third Two-third One-half Three-fourth One-third Two-third ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For laminar flow in circular pipes, the Darcy’s friction factor f is equal to 16/Re None of these 32/ Re 64/ Re 16/Re None of these 32/ Re 64/ Re ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between Lift and resultant force Lift and drag Lift and tangential force Drag and resultant force Lift and resultant force Lift and drag Lift and tangential force Drag and resultant force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice. One-third One-fourth One-half Equal to One-third One-fourth One-half Equal to ANSWER DOWNLOAD EXAMIANS APP
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