Correct answer
A. gross area and net area
Explanation
The correct answer is gross area and net area.
A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of________?
Ground water is usually free from________?
Assertion A.: A free board of 0.3 m is provided above the top sewage line in septic tanks. Reason (R): It helps to accommodate the scum in the septic tank________?
A cube on a smooth horizontal surface________?
The yield of a rapid gravity filter as compared to that of slow sand filter, is________?
The normal time required for the completion of project in the above problem is________?