Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to force of cohesion force of adhesion atmospheric pressure surface tension force of cohesion force of adhesion atmospheric pressure surface tension 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 could be any value negative value maximum minimum could be any value negative value maximum minimum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centroid of the volume of the floating body submerged body displaced volume of the fluid volume of the fluid vertically above the body volume of the floating body submerged body displaced volume of the fluid volume of the fluid vertically above the body 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 33 M/SEC 22.5 M/SEC 50 M/SEC 40 M/SEC 33 M/SEC 22.5 M/SEC 50 M/SEC 40 M/SEC ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The increase in meta centric height i) increases stability ii) decreases stability iii) increases comfort for passengers iv) decreases comfort for passengers The correct answer is (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The difference of pressure between the inside and outside of a liquid drop is (d)p = 2T/r p = T/2r (b)p = T/r (a)p = Txr (d)p = 2T/r p = T/2r (b)p = T/r (a)p = Txr ANSWER DOWNLOAD EXAMIANS APP
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