Hydraulics & Fluid Mechanics Which of the following instrument can be used for measuring speed of an aeroplane rotameter pitot tube Orifice plate Venturimeter rotameter pitot tube Orifice plate Venturimeter 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 (ii) and (iii) (i) and (iii) (i) and (ii) (i), (ii) and (iii) (ii) and (iii) (i) and (iii) (i) and (ii) (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of cohesion viscosity friction surface tension cohesion viscosity friction surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is maximum at the pipe wall zero at the pipe wall independent of shear stress None of these maximum at the pipe wall zero at the pipe wall independent of shear stress None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 337.5 600 675 300 337.5 600 675 300 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies linearly with radial distance inversely as the radial distance as the square of the radial distance inversely as the square of the radial distance linearly with radial distance inversely as the radial distance as the square of the radial distance inversely as the square of the radial distance ANSWER DOWNLOAD EXAMIANS APP