Hydraulics & Fluid Mechanics At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be negative value maximum could be any value minimum negative value maximum could be any value minimum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is zero at the mid plane and varies linearly with distance from mid plane zero at plates and increases linearly to midpoint parabolic distribution across the section constant over the cross section zero at the mid plane and varies linearly with distance from mid plane zero at plates and increases linearly to midpoint parabolic distribution across the section constant over the cross section ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The surface tension of mercury at normal temperature compared to that of water is more or less depending on size of glass tube more less same more or less depending on size of glass tube more less same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is less than 1 160 200 between 1 and 100 less than 1 160 200 between 1 and 100 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Select the correct statement A barometer reads the difference be-tween local and standard atmospheric pressure Local atmospheric pressure depends upon elevation of locality only Standard atmospheric pressure is the mean local atmospheric pressure a* sea level Local atmospheric pressure is always below standard atmospheric pressure A barometer reads the difference be-tween local and standard atmospheric pressure Local atmospheric pressure depends upon elevation of locality only Standard atmospheric pressure is the mean local atmospheric pressure a* sea level Local atmospheric pressure is always below standard atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is independent of shear stress zero at the pipe wall maximum at the pipe wall None of these independent of shear stress zero at the pipe wall maximum at the pipe wall None of these ANSWER DOWNLOAD EXAMIANS APP