2014秋北航建筑设备 在线作业一（The fall of 2014 northern construction equipment operation online）.docVIP

2014秋北航建筑设备 在线作业一（The fall of 2014 northern construction equipment operation online） Northern building equipment operation online Total score: 100 test time: - A multiple-choice question A, (a total of 25 multiple-choice questions, a total of 100 points.) V 1. the following is part of the indoor drainage system (ABCD). A. sanitary ware B. drainage pipe system C. ventilation pipe system D. cleaning equipment Score: 4 points Including 2. envelope heat transfer mode (ABC) A. heat conduction B. convection C. radiation D. receiver Score: 4 points Including the 3. factors affecting the economic thermal resistance (ABCD) A. national economic policy B. architectural design C. heating design D. weather conditions Score: 4 points The concentration degree of the 4. air conditioning system by air handling equipment can be divided into (ABC) A. central air conditioning system B. semi central air conditioning system C. decentralized air conditioning system D. integral type air conditioning system Score: 4 points 5. according to the heating medium heating system can be divided into: (ABCD). A. hot water heating B. steam heating C. radiation heating D. hot air heating Score: 4 points 6. to eliminate the noise structure transfer understanding is correct (ABC) The main method is to eliminate A. and based on rigid connection B. install the damping member between the source and the foundation C. fan, water pump, compressor import and export should be equipped with flexible joints D. installation component can completely eliminate the vibration sources to the foundation Score: 4 points According to the 7. types of heat medium heating boiler, boiler types can be divided into (AB). A. hot water boiler B. steam boiler C. oil fired boiler D. gas boiler Score: 4 points 8. according to the principle of noise elimination, muffler can be divided into (ABCD) A. muffler B. resonance muffler C. muffler D. broadband composite muffler Score: 4 points The cold air into the interior of the 9. heating