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MCQs

Total Questions : 476 | Page 48 of 48 pages
Question 471. How is the operating cost calculated for an advanced oxidation process system in $ per 1000US gallon?
  1.    Total operating cost = 1.45 x electrical cost + Peroxide cost
  2.    Total operating cost = 0.45 x electrical cost + Peroxide cost
  3.    Total operating cost = electrical cost + Peroxide cost
  4.    Total operating cost = 1.5 x electrical cost + Peroxide cost
 Discuss Question
Answer: Option A. -> Total operating cost = 1.45 x electrical cost + Peroxide cost
Answer: (a).Total operating cost = 1.45 x electrical cost + Peroxide cost
Question 472. How is the UV power calculated?
  1.    UV power = [UV dosage x 60 x flow(US gallons)]/1000
  2.    UV power = [UV dosage x 600 x flow(US gallons)]/1000
  3.    UV power = [UV dosage x flow(US gallons)]/1000
  4.    UV power = [UV dosage x 16 x flow(US gallons)]/1000
 Discuss Question
Answer: Option A. -> UV power = [UV dosage x 60 x flow(US gallons)]/1000
Answer: (a).UV power = [UV dosage x 60 x flow(US gallons)]/1000
Question 473. Total solids in a wastewater consist of insoluble solids alone.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 474. What is the EE/O for Vinyl chloride in kWh/1000 US gal/order?
  1.    1-2
  2.    2-3
  3.    3-5
  4.    5-7
 Discuss Question
Answer: Option B. -> 2-3
Answer: (b).2-3
Question 475. What is the EE/O for Xylene in kWh/1000 US gal/order?
  1.    2-5
  2.    5-7
  3.    7-9
  4.    9-12
 Discuss Question
Answer: Option A. -> 2-5
Answer: (a).2-5
Question 476. Which of the following is not a physical characteristic?
  1.    Colour
  2.    pH
  3.    Odour
  4.    Temperature
 Discuss Question
Answer: Option B. -> pH
Answer: (b).pH

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