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 2V/(vr - v) V/(vr + v) 2V/(vr + v) V/(vr - v) 2V/(vr - v) V/(vr + v) 2V/(vr + v) V/(vr - v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow. Less than Equal to None of these More than Less than Equal to None of these More than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in Stable equilibrium Neutral equilibrium Unstable equilibrium None of these Stable equilibrium Neutral equilibrium Unstable equilibrium None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, center of pressure is at the center of gravity below be center of gravity could be above or below e.g. depending on density of body and liquid above the center of gravity at the center of gravity below be center of gravity could be above or below e.g. depending on density of body and liquid above the center of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two dimensional flows occurs when The direction and magnitude of the velocity at all points are identical The velocity of successive fluid particles, at any point, is the same at successive periods of time The magnitude and direction of the velocity do not change from point to point in the fluid The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane The direction and magnitude of the velocity at all points are identical The velocity of successive fluid particles, at any point, is the same at successive periods of time The magnitude and direction of the velocity do not change from point to point in the fluid The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The variation in the volume of a liquid with the variation of pressure is called its Capillarity Surface tension Compressibility Viscosity Capillarity Surface tension Compressibility Viscosity ANSWER DOWNLOAD EXAMIANS APP
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