Sail E0 Webinar

MCQs

Total Questions : 74 | Page 5 of 8 pages
Question 41. Sand drying bed is used for filtration.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 42. Which of the following processes is not used for water reduction?
  1.    Centrifugation
  2.    Filtration
  3.    Heating
  4.    Evaporation
 Discuss Question
Answer: Option C. -> Heating
Answer: (c).Heating
Question 43. Which year was the term biosolids introduced?
  1.    1990
  2.    1993
  3.    1995
  4.    1998
 Discuss Question
Answer: Option D. -> 1998
Answer: (d).1998
Question 44. How many products are obtained after dewatering?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 45. Sludge treatment reduces the formation of struvite scales in pipes.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 46. The liquid has high contents of phosphorus and nitrogen, if the sludge has been______
  1.    Dewatered
  2.    Aerobically digested
  3.    Anaerobically digested
  4.    Heated
 Discuss Question
Answer: Option C. -> Anaerobically digested
Answer: (c).Anaerobically digested
Question 47. What is the temperature to be maintained for thermophilic digestion?
  1.    44˚C
  2.    55˚C
  3.    66˚C
  4.    77˚C
 Discuss Question
Answer: Option B. -> 55˚C
Answer: (b).55˚C
Question 48. Anaerobic digestion is carried out in ____
  1.    Presence of oxygen
  2.    Presence of carbon-dioxide
  3.    Absence of oxygen
  4.    Absence of carbon-dioxide
 Discuss Question
Answer: Option C. -> Absence of oxygen
Answer: (c).Absence of oxygen
Question 49. Which of these is not a method of digestion?
  1.    Composting
  2.    Aerobic digestion
  3.    Evaporation
  4.    Anaerobic digestion
 Discuss Question
Answer: Option C. -> Evaporation
Answer: (c).Evaporation
Question 50. What is the solid loading rate in kg/ m².d considered while designing a thickener to treat the trickling filter humus?
  1.    40-50
  2.    50-100
  3.    100-150
  4.    150-200
 Discuss Question
Answer: Option A. -> 40-50
Answer: (a).40-50

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