Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to surface tension force of adhesion force of cohesion atmospheric pressure surface tension force of adhesion force of cohesion atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The units of viscosity are newton-sec/metre metre2/se kg sec/metre newton-sec/metre2 newton-sec/metre metre2/se kg sec/metre newton-sec/metre2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Which of the following instrument can be used for measuring speed of an aeroplane pitot tube Orifice plate Venturimeter rotameter pitot tube Orifice plate Venturimeter rotameter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? a sphere a circular disc or plate held normal to flow an airfoil a cylinder a sphere a circular disc or plate held normal to flow an airfoil a cylinder ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Drag force is a function of i) projected area of the body ii) mass density of the fluid iii) velocity of the body The correct answer is (i) and (ii) (i) and (iii) (i), (ii) and (iii) (ii) and (iii) (i) and (ii) (i) and (iii) (i), (ii) and (iii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is at the centroid of the submerged area None of these always below the centroid of the area always above the centroid of the area at the centroid of the submerged area None of these always below the centroid of the area always above the centroid of the area ANSWER DOWNLOAD EXAMIANS APP
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