Assignment 2 Bai Yanqing

1. Which character is not belong to on-site : !!!!!(C) A: not connected to sewer B: the waste is treated close to people live C: The faecal is collected and use for fertilizer D: Most of on-site is out door.

2. Why on-site sanitation is better than sewer system toilet? !!!!(C) A: on-site sanitation is only serve low people density area B: on-site sanitation can be remove C: on-site sanitation is suit for temporary housing D: on-site sanitation don’t need water flush

3. Which is not correct: !!!!!!!!!!(A) A: is able to accept greywater B: Bucket is high risk of public health C: Water flush toilet needs faecal sludge management D: Open is low human dignity

4. Which is flush toilet: !!!!!!!!!!(C)

A:

B: C:

D:

5. Which is not the main problem of flying toilet:!!!!!!(C) A: it cannot collect urinate B: it is high risk of public health C: it is good for anaerobic digestion D: it is block the open drains

6. Why does pit widely spread in low income area? !!!!!(C) A: It is a sustainable system B: It is easy to construct and less limitations about surround environment C: Easy to maintain and low technology D: It is low risk of public health

7. Which is character of Ventilated Improved ?!!!!!(D) A: VIP is full lined B: VIP is watertight C: VIP does not pollute groundwater D: VIP room is dark

8. Which character is belong to septic tanks:!!!!!!!(D) A: It is suitable for Pit Latrine B: It is suitable for both grey water and black water C: The Tank is full lined D: The Tank maybe leaking and pollutes underground water

9. Which character belongs to urine-diversion dehydrating (UDD)? !!!(B) A: UDD is ecoscan tolite B: UDD separates urine and faecal C: The flash water goes to urine tank D: The urine water tank should be removed once or twice a year

10.Select a suitable on-site sanitation for a village in China!!!!!(C) !The village is located in southwest of China, it locates between 2 mountains, the land was formed by river flowed. The weather is There are many farmlands. People used groundwater to irrigate. Many young people immigrate to big city, and most of rest people without high education level. A: UDD B: cess pit C: water flush toilet with spetic tank D: Pit Latrines

11. which component is not considered for on-site sanitation !!!! (D) A: Groundwater level B: Land Scape C: Rainwater drainage D: Local people education

12. Which belong to conventional on-site toilet !!!!!! (D) A: B: C: Floating toilet D: Flying Toilet

13. Which is not crisis during faecal sludge management !!!!!(B) A: uncontrolled disposal B: Public health risk C: illegal dumping D: no beneficial reuse

14. Which equipment is belong to UDD but not to VIP: !!!!!(C) A: Fly Screen B: AIr ventilation C: Access cover D: Vent pipe

15. Which is not the advantage of UDD: !!!!!!!(D) A: UDD is able to build indoor B: UDD is suitable for high density settlements C: UDD dose not require faecal sludge management D: Anaerobic Digestion in faecal tank