Sail E0 Webinar

MCQs

Total Questions : 476 | Page 5 of 48 pages
Question 41. At what detention time maximum saturation rates are experienced in a denitrification process?
  1.    10-20 mins
  2.    72 mins
  3.    30-40 mins
  4.    22-24 mins
 Discuss Question
Answer: Option A. -> 10-20 mins
Answer: (a).10-20 mins
Question 42. How is the SDNR related to the BOD?
  1.    SDNR = 0.03 F/M
  2.    SDNR = 0.3 F/M
  3.    SDNR = 0.03/( F/M)
  4.    SDNR = 3 F/M
 Discuss Question
Answer: Option A. -> SDNR = 0.03 F/M
Answer: (a).SDNR = 0.03 F/M
Question 43. When is internal recirculation required for preanoxic tank?
  1.    SDNR<1
  2.    SDNR=1
  3.    SDNR =2-4
  4.    SDNR =4-6
 Discuss Question
Answer: Option A. -> SDNR<1
Answer: (a).SDNR<1
Question 44. What is the residential time considered for the sequence batch reactor for the removal of nitrogen?
  1.    42-45 days
  2.    10-32 days
  3.    32-52 days
  4.    52-72 days
 Discuss Question
Answer: Option B. -> 10-32 days
Answer: (b).10-32 days
Question 45. What is the retention time considered for an anoxic zone for the removal of nitrogen for modified Ludzack Ettinger treatment system?
  1.    1-3 hrs
  2.    3-4 hrs
  3.    4-8 hrs
  4.    8-12 hrs
 Discuss Question
Answer: Option A. -> 1-3 hrs
Answer: (a).1-3 hrs
Question 46. Microbial yield under aerobic conditions is lower than anoxic conditions.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 47. What is the process for converting organic-nitrogen to ammonia?
  1.    Hydrolysis
  2.    Nitrification
  3.    Denitrification
  4.    Oxidation
 Discuss Question
Answer: Option A. -> Hydrolysis
Answer: (a).Hydrolysis
Question 48. Denitrification releases _______
  1.    Nitrogen
  2.    Oxygen and nitrogen
  3.    Carbon-dioxide
  4.    Nitrogen and carbon-monoxide
 Discuss Question
Answer: Option A. -> Nitrogen
Answer: (a).Nitrogen
Question 49. Which of the below is used to denitrify nitrates?
  1.    Carbon
  2.    Aluminium
  3.    Iron
  4.    Copper
 Discuss Question
Answer: Option A. -> Carbon
Answer: (a).Carbon
Question 50. How many molecules of oxygen are required for one molecule of nitrogen?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option D. -> 4
Answer: (d).4

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

DSP Combined 1 Free Revision Test SAIL JO E-0
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
BSP Plant Specific Review Test SAIL JO E-0
BSL Combined 1 Free Revision Test SAIL JO E-0
GFM Combined 1 Free Revision Test SAIL JO E-0