- (A) maximum flow only
- (B) minimum flow only
- (C) average flow only
- (D) maximum and minimum flow
Exam preparation MCQs with answers
Practice Pakistan's most useful MCQs for competitive exams
Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.
Latest MCQs
- (A) aerobic only
- (B) anaerobic only
- (C) aerobic in lower compartment and anaerobic in upper compartment
- (D) anaerobic in lower compartment and aerobic in upper compartment
- (A) 4-8 hours
- (B) 24 hours
- (C) 10 to 15 days
- (D) 3 months
- (A) large area is required for construction
- (B) maintenance and operation cost are high
- (C) BO
- (D) removal is very low
- (A) percentage of sludge by volume to percentage of suspended solids by weight
- (B) percentage of sludge by volume to percentage of total solids by weight
- (C) percentage of suspended solids by weight to percentage of sludge by volume
- (D) percentage of total solids by weight to percentage of sludge by volume
- (A) waste pipe
- (B) soil pipe
- (C) vent pipe
- (D) antisiphonage pipe
- (A) parasitic
- (B) saprophytic
- (C) pathogenic
- (D) anaerobic
- (A) vent pipe
- (B) antisiphonage pipe
- (C) waste pipe
- (D) soil pipe
- (A) reducing the excessive flow in sewers
- (B) disposing of sludge
- (C) increasing the capacity of storage re-servoirs
- (D) increasing flow of sewage through imhoff tanks
- (A) nitrogen
- (B) carbon dioxide
- (C) hydrogen sulphide
- (D) methane
