Fresh sewage is ______________ in nature?
Correct answer: C. Alkaline
- A. Acidic
- B. Neutral
- C. Alkaline
- D. Highly acidic
Explanation
Fresh domestic sewage is commonly slightly alkaline, typically having a pH near 7 to 8. As sewage becomes septic through decomposition, its character and odour change, but fresh sewage is not normally highly acidic.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Plant Design and Economics
803 free Plant Design and Economics MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Plant Design and Economics questions
______________ is the process of killing organism in water ?
Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about ______________ decibels?
Hazardous/polluting chemical industries should have an 'exclusion zone' with a green belt and general public access prohibited around it, covering a radius of _____________ metres?
From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about ________________ ppm?
Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is _______________ micro gram (μ g)/litre?
Which of the following fine dust removal equipments is the most efficient ?