大工14秋《水利工程概论》在线测试3答案（Big work 14 autumn, Water Resources Engineering Introduction online test 3 answer）.doc

大工14秋《水利工程概论》在线测试3答案（Big work 14 autumn, Water Resources Engineering Introduction online test 3 answer） Great works, 14 autumn, introduction to water conservancy project, online test 3 Multiple-choice questions I. judgment questions (10 questions, 30 points altogether) 1. in the classification of fire, liquid fire and melting solid fire belong to category C fire. A. error B. correct The correct answer: A 2., in the urban comprehensive disaster prevention system, disaster prediction and fortification standards belong to the category of hard technology. A. error B. correct The correct answer: A 3. dam type hydropower station in the river canyon, dam damming, dam backwater, at the dam site to form a concentration drop, cited upstream reservoir water power generation. A. error B. correct The correct answer: B The 4. shear wave includes two kinds of SH wave and SV wave, which belong to the surface wave in seismic wave. A. error B. correct The correct answer: A 5. of the 70% earthquakes in the world are distributed in Japan, China, Taiwan and California coast. A. error B. correct The correct answer: B 6. code for seismic design of buildings will be according to the different importance can be divided into four types of yibingding. A. error B. correct The correct answer: B The method of determination of 7. ground motion can be done by using canonical response spectrum to synthesize artificial ground motion. A. error B. correct The correct answer: B 8. the level of earthquake prediction and the success rate of medium-term prediction in China are 50%. A. error B. correct The correct answer: A The 9. tornado is a small vortex strong rotation, the center of pressure is very low, generally higher than the same height around the low scores of PA. A. error B. correct The correct answer: B 10. the earthquake risk assessment of the site should first recognize that the earthquake is a regular and non random process. A. error B. correct The correct answer: A Great works, 14 autumn, i