Sail E0 Webinar

MCQs

Total Questions : 74 | Page 1 of 8 pages
Question 1. Sludge treatment aims at reducing sludge weight and volume.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 2. Energy may be recovered from sludge as ________
  1.    Hydrogen gad
  2.    Methane gas
  3.    Air
  4.    Liquid petroleum gas
 Discuss Question
Answer: Option B. -> Methane gas
Answer: (b).Methane gas
Question 3. How are the pathogens destroyed?
  1.    Mechanical means
  2.    Thermophilic conditions
  3.    Chemical treatment
  4.    Aeration
 Discuss Question
Answer: Option B. -> Thermophilic conditions
Answer: (b).Thermophilic conditions
Question 4. Solids removal can reduce sludge volume.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 5. Which of the following methods are not used for pathogen destruction?
  1.    Composting
  2.    Incineration
  3.    Mechanical stirring
  4.    Thermophilic digestion
 Discuss Question
Answer: Option C. -> Mechanical stirring
Answer: (c).Mechanical stirring
Question 6. What is the thickened concentration of anaerobically digested primary sludge from primary digestor?
  1.    1-3%
  2.    5-7%
  3.    10%
  4.    12%
 Discuss Question
Answer: Option D. -> 12%
Answer: (d).12%
Question 7. What is the thickened concentration of primary sludge combined with trickling filter humus?
  1.    1-3%
  2.    4%
  3.    5-9%
  4.    10%
 Discuss Question
Answer: Option C. -> 5-9%
Answer: (c).5-9%
Question 8. What is the thickened concentration of primary sludge combined with rotating biological contractor?
  1.    1-2%
  2.    3-4%
  3.    5-8%
  4.    9-11%
 Discuss Question
Answer: Option C. -> 5-8%
Answer: (c).5-8%
Question 9. What is the thickened concentration of high purity oxygen activated sludge?
  1.    1%
  2.    10%
  3.    2-3%
  4.    3-5%
 Discuss Question
Answer: Option C. -> 2-3%
Answer: (c).2-3%
Question 10. What is the thickened concentration of chemical tertiary sludge( High lime)?
  1.    1-2%
  2.    3-4%
  3.    6-8%
  4.    12-15%
 Discuss Question
Answer: Option D. -> 12-15%
Answer: (d).12-15%

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