ENVIRONMENTAL ENGINEERING MCQs 3 | CIVIL ENGINEERING COMPETITIVE EXAMS
1. Presence of fluoride in water greater than permissible level of 1.5 mg/L causes _____. [A] methemoglobinemia[B] dental fluorosis[C] hepatitis[D]…
1. Presence of fluoride in water greater than permissible level of 1.5 mg/L causes _____. [A] methemoglobinemia[B] dental fluorosis[C] hepatitis[D]…
1. The most important water quality parameter for domestic use of water is ______. [A] non-carbonate hardness[B] carbonate hardness[C] chlorides[D]…
1. The quantity of water flowing per hour per unit horizontal area is called ______. [A] Displacement time[B] Detention time[C]…
1. In which method, percentage increase is assumed to be constant decade to decade? [A] Arithmetic Progress method[B] Incremental Increase…
1. Aeration of water is done to remove _____. [A] Colour[B] Odour[C] Hardness[D] Turbidity Answer: Option B 2. The underground…
1. In slow sand filter effective size of particle is _____. [A] 0.35 – 0.40 mm[B] 0.45 – 0.75 mm[C]…
1. Back washing is highly effective in case of [A] Rapid and pressure filter[B] Slow sand filter[C] Pressure filter[D] Rapid…
1. Tintometer is used for _____. [A] Odour[B] Hardness[C] Temperature[D] Colour Answer: Option D 2. The rain is called as…
1. Standard EDTA solution is used to determine the _____. [A] Turbidity in water[B] Dissolved oxygen in water[C] Hardness in…
1. A town water supply scheme is commonly designed for a population ______. [A] at present year[B] after one decade[C]…