SSC JE CE QUIZ _Fluid Mechanics Booster Quiz -10

For the occurrence of laminar flow through pipes, the value of Reynold’s number shall be less than :

The ratio of boundary layer thickness to displacement thickness for the given velocity distinction, is…….

Two circular pipes are connected in parallel. The length L₁, diameter D₁ and friction factor f₁ for first pipe are 800m, 1m and 0.0125 respectively while L₂, D₂&f₂ are 400m, 2m & 0.01 respectively. The velocity ratio v₂/v₁= ?

An oil of specific gravity 0.9 has a viscosity of 0.28 stoke at 38^oc. What will be its viscosity in N-s/m²?

In case of flow over weir and notches. The most suitable dimensionless number is

The equation of continuity of flow is applicable when the

The velocity vector in a fluid is given V=5x⁴ i (in m/s). What is the acceleration at point (1,3)?

What is the maximum efficiency that can be achieved in power transmission through a pipe

The coefficient of bend in a pipe depends on

(1) Angle of bend

(2) Radius of curvature of bend

(3) Diameter of pipe

The pressure rise due to water hammer depends on

1) Velocity of flow of water in a pipe

2) Length of pipe

3) Time taken to close the valve

4) Elastic properties of the material of pipe