Correct answer
A. decreases
Explanation
The correct answer is decreases.
In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient,________?
The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is________?
The slenderness ratio for masonry walls should not be more than________?
The measurement is not made in square metres in case of________?
In a cantilever retaining wall without a heel slab________?
The number of treads in a flight is equal to________?