Hydraulics and Fluid Mechanics in ME For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is dependent only on Reynolds number a function of Reynolds number and relative roughness constant dependent on relative roughness only dependent only on Reynolds number a function of Reynolds number and relative roughness constant dependent on relative roughness only ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is less than unity, the flow is called Sub-sonic flow Sonic flow Super-sonic flow Hyper-sonic flow Sub-sonic flow Sonic flow Super-sonic flow Hyper-sonic flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if Gravitational force is less than the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid None of these Gravitational force is less than the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the ratio's of the corresponding forces acting at corresponding points are equal, then the model and the prototype are said to have. Kinematic similarity Geometric similarity Dynamic similarity None of these Kinematic similarity Geometric similarity Dynamic similarity None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The horizontal component of buoyant force is Zero Same as buoyant force Negligible None of these Zero Same as buoyant force Negligible None of these 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