Q. The Kozney-Carman equation, rewritten in terms of non-dimensional numbers gives (ΔP/pu² ) proportional to

View solution

Q. The equation given below is called the __________ .

View solution

Q. Pick out the Blake-Plummer equation (valid for large Nʀₑ) for fluid flow through beds of solids.

View solution

Q. The actual velocity at vena-contracta for flow through an orifice from a reservoir is given by

View solution

Q. For flow through a venturi at a particular discharge, the correct relationships among heads at points X, Y, and Z are

View solution

Q. The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is

View solution

Q. A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V₀. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)², what will be axial velocity in the pipe at any x ? Assume incompressible one dimensional flow i.e., no gradients in the radial direction.

View solution

Q. A free jet of water of cross-sectional area 0.01 m² and a velocity of 20 m/s strikes a plate and then flows in a plane parallel to the plate as shown in the figure below. The horizontal component of the force on the support is

View solution

Q. Pressure drop for laminar fluid flow through a circular pipe is given by

View solution

Q. Drag co-efficient for motion of spherical particles in a stationary fluid in the stoke's law range is

View solution

Q. Hydraulic mean radius for flow through packed bed of spherical particle of size, 'Dₚ', with porosity 'ε' is

View solution

Q. A conical tank with a bottom opening of cross-sectional area A is filled with water and is mounted on supports as shown in the figure. What is the force F with which plate X must be pushed up to prevent water from leaking ? Assume that the density of air is negligible as compared to the density of water ρL.

View solution

Q. The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct)

View solution

Q. Each term of the Bernoulli's equation written in the following form, represents the total energy per unit

View solution

Q. For one dimensional flow of an incompressible fluid in unsteady state in x-direction, the continuity equation is given by

View solution

Q. The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation

View solution

Q. Curve III in the below diagram represents a/an

View solution

Q. Colebrook equation for friction factor in turbulent flow is given by following equation. It reduces to Nikuradse equation for a value of ε/D equal to

View solution

Q. The percentage slip in a reciprocating pump set is given by the % of (where, Q₁ = actual discharge Q₂ = theoretical discharge)

View solution

Q. A particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke's law. A particle B with diameter 20 microns settling in the same oil will have a settling velocity

View solution