Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of cohesion friction viscosity surface tension cohesion friction viscosity surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to surface tension atmospheric pressure force of adhesion force of cohesion surface tension atmospheric pressure force of adhesion force of cohesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is constant over the cross section zero at the mid plane and varies linearly with distance from mid plane parabolic distribution across the section zero at plates and increases linearly to midpoint constant over the cross section zero at the mid plane and varies linearly with distance from mid plane parabolic distribution across the section zero at plates and increases linearly to midpoint 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 40 M/SEC 50 M/SEC 22.5 M/SEC 33 M/SEC 40 M/SEC 50 M/SEC 22.5 M/SEC 33 M/SEC ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Operation of McLeod gauge used for low pressure measurement is based on the principle of Pascal’s law Boyle’s law gas law Charle’s law Pascal’s law Boyle’s law gas law Charle’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be maximum negative value could be any value minimum maximum negative value could be any value minimum ANSWER DOWNLOAD EXAMIANS APP
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