Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/2 × breadth 1/2 × depth 1/2 × sloping side 1/4 × (depth + breadth) 1/2 × breadth 1/2 × depth 1/2 × sloping side 1/4 × (depth + breadth) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio of Francis turbine is defined as the ratio of the Theoretical velocity of jet to the velocity of flow at inlet Velocity of runner at inlet to the velocity of flow at inlet None of these Velocity of flow at inlet to the theoretical jet velocity Theoretical velocity of jet to the velocity of flow at inlet Velocity of runner at inlet to the velocity of flow at inlet None of these Velocity of flow at inlet to the theoretical jet velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Rain drops are spherical because of viscosity air resistance surface tension forces atmospheric pressure viscosity air resistance surface tension forces atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An ideal flow of any fluid must satisfy Newton’s law of viscosity continuity equation Pascal law boundary layer theory Newton’s law of viscosity continuity equation Pascal law boundary layer theory ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The angle of contact in case of a liquid depends upon the material which exists above the free surface of the liquid both of die above any one of the above the nature of the liquid and the solid the material which exists above the free surface of the liquid both of die above any one of the above the nature of the liquid and the solid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A streamline is defined as the line of equal yelocity in a flow parallel to outer surface of pipe parallel to central axis flow along which the pressure drop is uniform of equal yelocity in a flow parallel to outer surface of pipe parallel to central axis flow along which the pressure drop is uniform ANSWER DOWNLOAD EXAMIANS APP