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 The Reynold's number of a ship is __________ to its velocity and length. None of these Directly proportional Square root of velocity Inversely proportional None of these Directly proportional Square root of velocity Inversely proportional ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of a gas is independent of pressure for very high pressure intensities decreases with increase in temperature increases with increase in temperature is independent of temperature is independent of pressure for very high pressure intensities decreases with increase in temperature increases with increase in temperature is independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ? 0.4 0.515 0.5 0.5 0.4 0.515 0.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow in which each liquid particle has a definite path, and the paths of individual particles do not cross each other, is called Turbulent flow Uniform flow Steady flow Streamline flow Turbulent flow Uniform flow Steady flow Streamline flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Medium specific speed of turbine implies it is Propeller turbine Francis turbine Impulse turbine Any one of the above Propeller turbine Francis turbine Impulse turbine Any one of the above ANSWER DOWNLOAD EXAMIANS APP