1946Civil EngineeringMedium
The gas evolved in sewers is________?
ACarbondioxide
BAll of these
CHydrogen sulphide
DMethane
Correct answer
B. All of these
Explanation
The correct answer is All of these.
Correct answer
B. All of these
Explanation
The correct answer is All of these.
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________?
The line of action of the buoyant force acts through the centroid of the ________?
In the construction of Metro Railways, “Cut and Cover” method of construction is suitable in situations listed at________?
Ground water is usually free from________?
Pascal-second is the unit of________?
The maximum efficiency of BOD removal is achieved in________?