Civil Engineering MCQs

2965 MCQs  (Page 272 of 297)

The laying of sewers is done with____________________?
A. Magnetic compass
B. Theodolite
C. Level
D. Clinometer
For detecting the nitrites in the sewage, the matching colour may be developed by adding_________________?
A. Potassium permanganate
B. Sulphuric acid and napthamine
C. Phenol-di -sulphuric acid potassium hydroxide
D. None of these
Fresh sewage is generally_____________________?
A. Alkaline
B. Acidic
C. Highly decomposed
D. A source of objectionable odour
The sewage treatment in septic tanks is due to__________________?
A. Anaerobic decomposition
B. Aerobic decomposition
C. Parasitic decomposition
D. None of these