【 Weak current College 】 community water supply and sewerage and water heating, water supply-exercises

First, multiple choice questions (alternate answer each question, only one adresses. ）
1. building internal drainage system is divided into two kinds (of).
A decentralized and confluent type.
B £ ® split and merge-
C £ ® decentralized and intercepting
D £ ® split and intercepting
　　　
2. the drainpipe laying, and building the foundation of the horizontal spacing, when piping buried deep in the Foundation, shall be not less than () m.
A．1.5
B．2.0
C．2.5
D．3.0
　　 　
3. the drainpipe laying, when piping buried deep in the Foundation, shall be not less than () m.
A．1.5
B．2.0
C．2.5
D．3.0
　　 　
4. in General, long gutter external drainage system should be in the community of gullies under terrain, buildings and road layout situation determine, usually along the street layout spacing in General () m, connecting pipe length should not exceed () m.
A．10～20，10
B．10～15，20
C．20～30，25
D．20～40，25
　　 　
5. residential area smaller, decentralized processing or sewage wastewater treatment design flow is small, then treatment facilities can be used () biological treatment request design of wastewater treatment plant for processing.
A £ ® level
B £ ® level 2
C £ ® III
Grade 4 D.
　　 　
6. the pool size is length: 25m (or multiples of 25m); width: m per lane (), both sides of the lane plus 0.25 ~ 0.5m; depth 1.4 ~ 1.8m.
A．1～1.5
B．1.5～2.0
C．2.0～2.5
D．2.5～3.0
　　 　
7. hot water water quota is based on building use nature and perfection of internal health apparatus, with the number of units to determine the temperature calculation by () ¡æ.
A．50
B．55
C．60
D．65
　　 　
8. hot water pipe network layout to use ()-style or up to, in order to meet the entire hot water supply system, water temperature uniformity, the same program for network layout.
A．50
B．55
C．60
D．65
　　 　
9. water temperature refers to the water after burning to 100 degrees centigrade and sustained () min, calculation temperature with 100 ℃.
A．50
B．55
C．60
D．65
　　 　
2. fill in the blanks questions (please toyoko line on enter your answer. ) 1. residential community water supply and sewerage system composed by, and in General.
2. urban supply pressure do not meet community water supply pressure requirements should be used for community water supply.
3. Community feedwater, is divided into ways and means.
4. design of residential water consumption including residents, pouring water, roads and landscaping and water is not foreseen.
5. compression station on the General,, and auxiliary structures, etc. According to the function and can be divided into.
6. the composition of the pump house in the community including, as well as accessory equipment, etc.
7. living community is the sewage pipe and drainage of rainwater pipes shunt, refers to the same tube drainage within accepted sewage and rain water drainage.
8. diversion of sewerage system, according to the drainage pipe functionality different distributed system and system.
9. Community sewer system General press, and in order.
10. water projects, and etc.
11. indoor swimming pool of water, including water supply, water supply, water supply method.
12. hot water supply system including the local water supply system, hot water supply system, hot water supply system.
13. hot water heating has heating and heating.
14. hot water pipe-laying, according to the requirements of the building, and two forms.
15. type of drinking-water supplies mainly supply systems and supply systems. Third, the noun parser (in the the nouns in the text box below, enter your answer. 1. a decentralized) storage booster systems
　　　 　
2. partitioning centralized storage booster systems
　　　 　
3. centralized storage booster systems
　　　 　
4. How does not circulating hot water supply
　　　 　
5. half way circular hot water supply
　　　 　
6. the way of full circulation of hot water supply
　　　 　
7. return
　　　 　
8. natural circulation patterns
　　　 　
9. mechanical recycling methods
　　　 　
10. timing modes of supply of hot water
　　　 　
IV. question
1. What is the community water supply and drainage characteristics? 【 answer points 】--------------------------------------------------------------------------------① 小区给水排水设计流量反映过渡段特性。 Determination of the transitional flowrate is directly related to community water supply and drainage pipe diameter, and involves the community water supply and sewerage system in other structures and equipment design and selection.
② Community water supply and diversity of choice. --------------------------------------------------------------------------------

2．小区给水系统应如何确定？【答题要点】 --------------------------------------------------------------------------------
Community water supply system and city (town), and adapted to the water supply system, water supply systems is generally divided into life and fire water system.
① low layer and multilayer construction of residential, General not set indoor fire water system, the use of life and fire water supply system.
② multilayer, high-mix of residential district water supply system should be adopted, with some tall buildings shall be based on the number of high-rise construction, distribution, height, properties, management, and security, through technical and economical comparison, determine the dispersion or patch set, centralized storage pressure water supply system. --------------------------------------------------------------------------------

3. water supply pipe alignment principles? arrangement and laying any requests? 【 answer points 】--------------------------------------------------------------------------------
Alignment principles, first by the community of trunk road layout water dry pipe network, and then in the residential group layout community branch pipe and households. Community water supply main pipe layout can refer to urban water supply requirements and forms. Layout of the pipeline network to spread throughout the entire community to ensure that each living group has the appropriate water points. In order to guarantee the water supply, water supply piping layout and installation requirements as described below.
① the community dry pipe should be arranged circular or and municipal water supply pipe in a ring network.
② Community branch pipe and tube received household, usually branched.
③ Community branch pipes should be of total length.
④ high-rise buildings and water demands high, the use of ring-shaped layout, from different sides of two community sewer pipe connecting community and household pipe to ensure water supply security and meet the fire requirements.
⑤ water supply pipeline and other pipe parallel or cross-laying of the net margin, according to the pipeline type, depth, construction and maintenance of interaction, pipeline subsidiary structure size and local codes, and other conditions.
⑥ living water pipeline and sewerage pipeline cross, water supply pipe should be laying in the sewers, and should not have the interface overlap; when water supply pipeline laying in the sewers below, water supply pipe interface from sewer pipe level spacing should not be less than 1m.
⑦ frozen in northern regions need to consider the impact of frozen soil, the community water supply pipe diameter not greater than the tube bottom 300mm buried deep below the frost line (d + 200mm).
⑧ water pipes and household pipe layout, you should be aware of and other pipeline comprehensive coordination problems. --------------------------------------------------------------------------------

4. the community water supply design flow determination principle? 【 answer points 】--------------------------------------------------------------------------------① received household and community branch, design flow according to the burden of health apparatus total calculation.
② community living water supply main pipe, design flow according to the maximum hourly flow-rate calculation. --------------------------------------------------------------------------------

5. the community set up in accordance with the rules of the wastewater treatment facilities? 【 answer points 】 community settings sewage treatment facilities, according to the urban master plan, in accordance with the trend of community sewage disposal, the master plan of urban drainage management and manpower. Set of principles as described below.
① towns of residential sewage, as far as possible into the towns of centralized sewage treatment plants, municipal sewage collection system should be routed to the living area.
② towns have been built or determined in the near future to build wastewater treatment plant, wastewater can be discharged into sewage service scope of urban sewage pipe, the community should not be built sewage treatment facilities.
③ If towns did not build wastewater treatment plant, wastewater treatment plants in the town planning services, and has been discharged into the town's pipeline system, the community will not need to build a centralized sewage treatment facilities.
④ If community sewage for various reasons could not be discharged into sewage plant service range of sewage pipes, emission standards should be adhered to, by going to settings for discharges of wastewater treatment facilities, processing up to the rearEnergy emissions.
⑤ If you live in the community in certain public buildings sewage containing toxic, harmful substances or certain indicators to emission standards should be set to the local sewage treatment facilities, compliance will be issued only after processing.