Hydraulics & Fluid Mechanics The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is at the centroid of the submerged area always above the centroid of the area None of these always below the centroid of the area at the centroid of the submerged area always above the centroid of the area None of these always below the centroid of the area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A perfect gas is incompressible has constant viscosity is of theoretical interest None of these is incompressible has constant viscosity is of theoretical interest None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Select the correct statement Local atmospheric pressure depends upon elevation of locality only Local atmospheric pressure is always below standard atmospheric pressure Standard atmospheric pressure is the mean local atmospheric pressure a* sea level A barometer reads the difference be-tween local and standard atmospheric pressure Local atmospheric pressure depends upon elevation of locality only Local atmospheric pressure is always below standard atmospheric pressure Standard atmospheric pressure is the mean local atmospheric pressure a* sea level A barometer reads the difference be-tween local and standard atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe) 3/4 R 2/3 R 1/2 R 1/3 R 3/4 R 2/3 R 1/2 R 1/3 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Drag force is a function of i) projected area of the body ii) mass density of the fluid iii) velocity of the body The correct answer is (i) and (ii) (i) and (iii) (i), (ii) and (iii) (ii) and (iii) (i) and (ii) (i) and (iii) (i), (ii) and (iii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Separation of flow occurs when All of these the pressure intensity reaches a minimum the boundary layer comes to rest the cross-section of a channel is reduced All of these the pressure intensity reaches a minimum the boundary layer comes to rest the cross-section of a channel is reduced ANSWER DOWNLOAD EXAMIANS APP
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