Sail E0 Webinar

MCQs

Total Questions : 86 | Page 7 of 9 pages
Question 61. Duck weed can grow profusely in nutrient rich waste water.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 62. Biological oxidation of ammonia is called as ____________
  1.    Nitrification
  2.    Denitrification
  3.    Salination
  4.    Ammonification
 Discuss Question
Answer: Option A. -> Nitrification
Answer: (a).Nitrification
Question 63. Which of the following metal catalyst is not used during catalytic oxidation of ammonia?
  1.    Platinum
  2.    Copper
  3.    Nickel
  4.    NaCl
 Discuss Question
Answer: Option D. -> NaCl
Answer: (d).NaCl
Question 64. Nitrification of ammonia involves two oxidation stages.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 65. _____________ bacteria get the energy from oxidation of inorganic nitrogen compounds.
  1.    Organic pollutant
  2.    Fish biomass
  3.    Nitrifying bacteria
  4.    Pathogenic bacteria
 Discuss Question
Answer: Option C. -> Nitrifying bacteria
Answer: (c).Nitrifying bacteria
Question 66. Which of the following bacteria is involved in nitrification of ammonia?
  1.    Nitrite oxidizing bacteria
  2.    Denitrifying bacteria
  3.    Pathogenic bacteria
  4.    Fat stabilizing bacteria
 Discuss Question
Answer: Option A. -> Nitrite oxidizing bacteria
Answer: (a).Nitrite oxidizing bacteria
Question 67. Sewage treatment plant for the removal of phosphate in an activated sludge system is called as ________
  1.    Enhanced biological phosphorus removal
  2.    Enhanced biological Nitrogen removal
  3.    Enhanced potassium removal
  4.    Enhanced nitrogen removal
 Discuss Question
Answer: Option A. -> Enhanced biological phosphorus removal
Answer: (a).Enhanced biological phosphorus removal
Question 68. The total fraction from COD that can be biodegraded by microorganisms is rbCOD.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 69. The removal of phosphorous from wastewater involves the unification of __________ and then removal from the solids?
  1.    Phosphate into TSS
  2.    Ammonification
  3.    Denitrification
  4.    Desalination
 Discuss Question
Answer: Option A. -> Phosphate into TSS
Answer: (a).Phosphate into TSS
Question 70. Which of the following adding would to remove the inorganic forms of phosphate?
  1.    Coagulant
  2.    Fertilizer
  3.    Heavy metals
  4.    Uranium
 Discuss Question
Answer: Option A. -> Coagulant
Answer: (a).Coagulant

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