Hydraulics and Fluid Mechanics in ME If the ratio's of the corresponding forces acting at corresponding points are equal, then the model and the prototype are said to have. Geometric similarity None of these Kinematic similarity Dynamic similarity Geometric similarity None of these Kinematic similarity Dynamic similarity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 minutes 4 (225)1/3 minutes 4 x V225 minutes 4 x (225)3/2 minutes 4 minutes 4 (225)1/3 minutes 4 x V225 minutes 4 x (225)3/2 minutes ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) √(2gh) 2g × √H H × √(2g) 2gH √(2gh) 2g × √H H × √(2g) 2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Sub-sonic velocity Super-sonic velocity Velocity of approach Critical velocity Sub-sonic velocity Super-sonic velocity Velocity of approach Critical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant speed and capacity, the pressure and power vary As square of density Inversely as square root of density Inversely as density Directly as the air or gas density As square of density Inversely as square root of density Inversely as density Directly as the air or gas density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as Steady flow Uniform flow Vortex flow Turbulent flow Steady flow Uniform flow Vortex flow Turbulent flow ANSWER DOWNLOAD EXAMIANS APP
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