The Prartdtl mixing length is

Related MCQs

• The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is
• When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is
• The length of a pipe is 1 km and its diameter is 20 cm. If the diameter of an equivalent pipe is 40 cm, then its length is
• Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is
• If the velocity in a fluid flow does not change with respect to length of direction of flow, it is called
• If the velocity in a fluid flow change with respect to length of direction of flow, it is called
• If the difference between specific energies is 2m, calculate the rate of change of specific energies if the length of backwater curve is 26314 m.
• Determine the length of backwater curve if E1=2.8m, E2=5.6m, S0=0.00009, Sf= 0.00004.
• Calculate the bed slope of the channel if the slop of the energy line is 0.00024 and the length of backwater curve is 104166.67m. If E1-E2= 3m.
• The Reynold's number of a ship is __________ to its velocity and length.