ENVIRONMENTAL ENGINEERING MCQs 18 | CIVIL ENGINEERING COMPETITIVE EXAMS
1. Which one of the following gases is the principal by-product of anaerobic decomposition of the organic content in wastewater?…
1. Which one of the following gases is the principal by-product of anaerobic decomposition of the organic content in wastewater?…
1. Which one of the following sewage treatment units has parshall flume? Grit chamber Trickling filter Aerated lagoon Oxidation ditch…
1. Flocculation is a process ____. that removes algae from stabilization pond effluent that mixes the coagulant in water that…
1. As per IS 10500:2012, for drinking water in the absence of alternate source of water, the permissible limits for…
1. MPN index is a measure of _____. BOD Dissolved Oxygen content Hardness Coliform bacteria Answer: Option A 2. Crown…
1. What is Alkalinity of water? It is the presence of ions in water that will neutralize hydrogen ions It…
1. Presence of fluoride in water greater than permissible level of 1.5 mg/L causes _____. methemoglobinemia dental fluorosis hepatitis cardiovascular…
1. The most important water quality parameter for domestic use of water is ______. non-carbonate hardness carbonate hardness chlorides coliform…
1. The quantity of water flowing per hour per unit horizontal area is called ______. Displacement time Detention time Overflow…
1. In which method, percentage increase is assumed to be constant decade to decade? Arithmetic Progress method Incremental Increase Method…