Hydraulics & Fluid Mechanics According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to more than the weight of the body less than the weight of the body weight of the fluid displaced by the body the weight of the body more than the weight of the body less than the weight of the body weight of the fluid displaced by the body the weight of the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Specific weight of sea water is more that of pure water because it contains All of these dissolved air dissolved salt suspended matter All of these dissolved air dissolved salt suspended matter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is between 1 and 100 160 less than 1 200 between 1 and 100 160 less than 1 200 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), (ii) and (iii) (i) and (ii) (i) and (iii) (ii) and (iii) (i), (ii) and (iii) (i) and (ii) (i) and (iii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Separation of flow occurs when the pressure intensity reaches a minimum the boundary layer comes to rest the cross-section of a channel is reduced All of these the pressure intensity reaches a minimum the boundary layer comes to rest the cross-section of a channel is reduced All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is 1/4 2/3 1/3 1/2 1/4 2/3 1/3 1/2 ANSWER DOWNLOAD EXAMIANS APP