The similarity between the motion of model and prototype is_________

Ratio of inertia force to viscous force is known as

Which of the following number is applicable in open hydraulic structure such as spillways, where gravitational force is predominant?

Square root of the ratio of inertia force to elastic force is called as

Which dimensionless number has significant role in defining laminar and turbulent flow system

If there are n variables in a dimensionally homogeneous equation and if these variables contain m primary dimensions, then the variables can be grouped into how many non-dimensional parameters?

Which of the following is not known as a core group( repeated variable)?

If there are 7 variables in a dimensionally homogeneous equation and if these variables contain 4 primary dimensions, then the variables can be grouped into how many non-dimensional parameters?

If there are 7 variables in a dimensionally homogeneous equation and if these variables contain 4 primary dimensions, then number of repeated variables are

The pressure difference Δp in a pipe of diameter D and length l due to turbulent flow depends on the velocity V, viscosity μ, density ρ and roughness k. The best possible group of repeated variable is

The pressure difference Δp in a pipe of diameter D and length l due to turbulent flow depends on the velocity V, viscosity μ, density ρ and roughness k. The impossible group of repeated variable is