Sail E0 Webinar

MCQs

Total Questions : 100 | Page 2 of 10 pages
Question 11. What is the type of pollution where the pollutants reach the water body in points called?
  1.    Point-source pollution
  2.    Diffuse pollution
  3.    Point-source contamination
  4.    Diffuse contamination
 Discuss Question
Answer: Option A. -> Point-source pollution
Answer: (a).Point-source pollution
Question 12. At higher temperatures, the amount of Dissolved Oxygen decreases.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 13. The optimum temperature for bacterial activity is in what range?
  1.    25-35 degree Celsius
  2.    50 degree Celsius
  3.    20 degree Celsius
  4.    40 degree Celsius
 Discuss Question
Answer: Option A. -> 25-35 degree Celsius
Answer: (a).25-35 degree Celsius
Question 14. What is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of the water quality called?
  1.    Eutrophication
  2.    Algae growth
  3.    Nitrification
  4.    Denitrification
 Discuss Question
Answer: Option A. -> Eutrophication
Answer: (a).Eutrophication
Question 15. What percentage of solids does wastewater contain?
  1.    0.5%
  2.    5%
  3.    0.1%
  4.    1%
 Discuss Question
Answer: Option C. -> 0.1%
Answer: (c).0.1%
Question 16. What will be the Total Organic Carbon (TOC) of coloured water?
  1.    100-200ppm
  2.    100ppm
  3.    200ppm
  4.    200-300 ppm
 Discuss Question
Answer: Option A. -> 100-200ppm
Answer: (a).100-200ppm
Question 17. _______ are found in agricultural wastes.
  1.    Pesticides
  2.    Phenols
  3.    Proteins
  4.    Grease
 Discuss Question
Answer: Option A. -> Pesticides
Answer: (a).Pesticides
Question 18. How are many forms of nitrogen present in wastewater?
  1.    3
  2.    4
  3.    2
  4.    5
 Discuss Question
Answer: Option B. -> 4
Answer: (b).4
Question 19. After how many days will nitrogen will be oxidized to nitrite and nitrate?
  1.    9
  2.    10
  3.    10-12
  4.    14-15
 Discuss Question
Answer: Option C. -> 10-12
Answer: (c).10-12
Question 20. _________ is determined by measuring the dissolved oxygen used by microorganisms during the biochemical oxidation of organic matter in 5 days at 20˚C.
  1.    BOD5
  2.    COD
  3.    TOC
  4.    ThOD
 Discuss Question
Answer: Option A. -> BOD5
Answer: (a).BOD5

Latest Videos
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

Latest Test Papers

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