The main type of sludge gas evolved during sewage treatment in Imhoff tank is

Question

Options:

A . CO₂

B . CH₄

C . CO

D . H₂

Answer: Option B

Submit Your Solution Below and Earn Points !

Next Question

More Questions on This Topic :

Question 1. There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmosphe....the troposphere gradually decreases with height is about __________ °C/km.

Question 2. Global warming may result in....

Question 3. Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utilit....neem etc.) near public utility buildings (like hospitals & schools).

Question 4. Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) i....improving octane number) is a lethal air pollutant which causes

Question 5. Which of the following industries discharge mercury as a pollutant?....

Question 6. Which of the following is the most severe air pollutant?....

Question 7. Pick out the one which is not a chemical coagulant.....

Question 8. Which is the most widely used coagulant for the treatment of turbid water?....

Question 9. Exposure to small amount of __________ results in high blood pressure & heart disease in human beings.....

Question 10. Green house effect is accentuated by....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0