BT503 Quiz 2

BT503 QUIZ-2 SOLVED

1. Which of the following method for removal of pathogenic organisms do not need chemical products of energy , but require large areas. Maturation ponds

2. Free water in the sludge can be removed by --------. Gravity

3. Which zone is essential in the treatment line for biological removal of phosphorus, aerobic or anerobic. Both
4. A process In sludge management for preparation for dewatering is known as -------------. Dewatering

5. Vitrification uses --------- temperature for fuse contaminated material. High

6. The sludge production is a function of the waste water treatment system used for the ---------. Liquid phase

7. --------- is very effective agent for the removal of pathogens. Ozone

8. Lime stabilization is used in treat ---------- sludge. All

9. Thermal decomposition process by oxidation is known as ------. Incineration

10. For which of the following waste water treatment system the equipement depends on the post treatment process used. Rapid infiltration
11. Which of the following process does not introduce chemical products into the liquid. Membranes

12. A sludge with a level of dry solids of 2% has water content of ------. 98%

13. Which of the following method for pathogen removal affects the reproduction of pathogenic agents. UV Radiations