My Report

Waste Water Engineering Mock Test 9


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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 10%

Question 1 of 10

1. What is the technique used to achieve microbe-free environment?

Question 1 of 10

Question 2 of 10

2. How many oxygen atoms are present in the ozone?

Question 2 of 10

Question 3 of 10

3. Which of the following is not removed by Ozonation?

Question 3 of 10

Question 4 of 10

4. If the water is brown in colour it indicates the presence of which of these?

Question 4 of 10

Question 5 of 10

5. Which of these is the most efficient method to remove arsenic?

Question 5 of 10

Question 6 of 10

6. Calculate the rinse volume of the regenerant liquid for the softener system with the given below data.
Calcium Load: 60 ppm as CaCO3
Capacity: 37 Kg/m3
Correction factor: 0.9
Flow rate: 35 m3/hr
Operation hours: 10 hrs

Question 6 of 10

Question 7 of 10

7. Which of these is not a result of low moisture content?

Question 7 of 10

Question 8 of 10

8. In which year was the Ferrosand process patented?

Question 8 of 10

Question 9 of 10

9. ________ is used in detergents to soften water.

Question 9 of 10

Question 10 of 10

10. In which year was the structure of ozone determined?

Question 10 of 10


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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