SSC_JE_CE_Fluid Mechanics Booster Quiz -5

Which of the following expression represent the simplified form of Colebrook equation use to calculate the friction factor, if variable have their standard meanings?

What is the depth of the flow (m) in a circular channel of diameter 2.0 m for the maximum velocity?

The sphere of diameter 0.02 m is falls in the fluid of kinematic viscosity 10 stokes with the terminal velocity of 0.02 m/s. What is the value of coefficient of drag on the falling sphere?

Consider the following statements in respect of a steady two-dimensional rotational flow:

1) Continuity is satisfied and streamlines can be drawn

2) Both stream function and velocity potential exist.

Which of the statements given above is/are correct?

A uniform horizontal pipe of length 120 cm leads from a reservoir holding water to a depth of 90 cm above the open end of the pipe. What minimum length of piezometer is required to measure pressure at a point 40 cm from the open end?

If the diameter of the pipe is given as D, what is the maximum thickness of the boundary layer?