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) (ii) and (iii) (i), (ii) and (iii) (i) and (iii) (i) and (ii) (ii) and (iii) (i), (ii) and (iii) (i) and (iii) 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) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is 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 zero at the pipe wall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines principle of conservation of mass holds total energy is constant throughout velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines principle of conservation of mass holds total energy is constant throughout ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The units of viscosity are metre2/se kg sec/metre newton-sec/metre2 newton-sec/metre metre2/se kg sec/metre newton-sec/metre2 newton-sec/metre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The horizontal component of force on a curved surface is equal to the force on the horizontal projection of the curved surface force on a vertical projection of the curved surface weight of liquid vertically above the curved surface product of pressure intensity at its centroid and area force on the horizontal projection of the curved surface force on a vertical 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
EXAMIANS