Hydraulics & Fluid Mechanics A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ? 1 :25 1 : 2.5 1:50 1 : 5 1 :25 1 : 2.5 1:50 1 : 5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centroid of the submerged body volume of the floating body volume of the fluid vertically above the body displaced volume of the fluid submerged body volume of the floating body volume of the fluid vertically above the body displaced volume of the fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to atmospheric pressure surface tension force of adhesion force of cohesion atmospheric pressure surface tension force of adhesion force of cohesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Least possible value of correction factor for i) kinetic energy is zero ii) kinetic energy is 1 iii) momentum is zero iv) momentum is 1 The correct statements are (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 Coefficient of velocity for Borda’s mouth piece running full is 0.855 0.611 1.00 0.707 0.855 0.611 1.00 0.707 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The horizontal component of force on a curved surface is equal to the force on a vertical projection of the curved surface force on the horizontal projection of the curved surface weight of liquid vertically above the curved surface product of pressure intensity at its centroid and area force on a vertical projection of the curved surface force on the horizontal projection of the curved surface weight of liquid vertically above the curved surface product of pressure intensity at its centroid and area ANSWER DOWNLOAD EXAMIANS APP