Hydraulics & Fluid Mechanics When a body floating in a liquid, is displaced slightly, it oscillates about e.g. of body metacentre center of pressure center of buoyancy e.g. of body metacentre center of pressure center of buoyancy 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 A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of 4.8 M 4.6 M 4.0 M 4.2 M 4.8 M 4.6 M 4.0 M 4.2 M 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) 1/3 R 1/2 R 3/4 R 2/3 R 1/3 R 1/2 R 3/4 R 2/3 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is 22.5 M/SEC 40 M/SEC 33 M/SEC 50 M/SEC 22.5 M/SEC 40 M/SEC 33 M/SEC 50 M/SEC ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The difference of pressure between the inside and outside of a liquid drop is p = T/2r (d)p = 2T/r (a)p = Txr (b)p = T/r p = T/2r (d)p = 2T/r (a)p = Txr (b)p = T/r ANSWER DOWNLOAD EXAMIANS APP
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