Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to force of adhesion force of cohesion surface tension atmospheric pressure force of adhesion force of cohesion surface tension atmospheric pressure 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 33 M/SEC 50 M/SEC 40 M/SEC 22.5 M/SEC 33 M/SEC 50 M/SEC 40 M/SEC ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The surface tension of mercury at normal temperature compared to that of water is same more more or less depending on size of glass tube less same more more or less depending on size of glass tube less ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to less than the weight of the body the weight of the body weight of the fluid displaced by the body more than the weight of the body less than the weight of the body the weight of the body weight of the fluid displaced by the body more than the weight of the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is 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 independent of shear stress ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head) 2 H/3 H/3 2 H/5 H/2 2 H/3 H/3 2 H/5 H/2 ANSWER DOWNLOAD EXAMIANS APP
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