V and R are the regime mean velocity and hydraulic mean depth respectively in meters. Lacey's silt factor f is

V and R are the regime mean velocity and hydraulic mean depth respectively in meters. Lacey's silt factor f is Correct Answer $$\frac{{5{{\text{V}}^2}}}{{2{\text{R}}}}$$

Bissoy MCQ

Related Questions

In a race of 1000 meters, A can beat B by 100 meters, in a race of 800 meters, B can beat C by 100 meters. By how many meters will A beat C in a race of 600 meters?
Calculate the value of hydraulic mean radius for a channel designed by Lacey’s theory which has a mean velocity of 1m/sec. The silt factor can be taken as unity.
A channel designed by Lacey's theory has a mean velocity of one m/s. The silt factor is unity. The hydraulic mean radius will be
The relation between the scour depth (R) and Regime scour depth (Re) for an alluvial river having regime width (W) and contracted width (B) is given by ______
There is a square field of area X square meters. A cylindrical ditch of radius 7 meters and depth 2 meters is dug, and the earth is taken out and spread over the remaining part of the square field, the height of square field which goes up by 0.77 meters. What is the value of X ?
The ratio of Hydraulic radius and Hydraulic depth is ½ and the top width of the channel is 6m, calculate the hydraulic depth of the channel.
Calculate the corresponding hydraulic mean depth that would exist in the channel if the bed was unrippled. The rugosity coefficient in an unrippled channel is 0.015 and the rugosity coefficient actually observed by experiments on the rippled bed of channel is 0.020. Consider the value of hydraulic mean depth of the channel as 1.5 m.
In sparged vessel of area 50 cm and a gas holdup of 3 cubic meters per cubic meters, the flow rate of the gas is 5 cubic meters per second. The value of true gas velocity in meters per second is
If average particle size of the silt in millimeters is m, the Lacey's silt factor f is proportional to
The average grain size of the bed material is 0.16 mm for medium silt, Lacey’s silt factor is likely to be _______