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大工13春《水利工程概论》在线测试1答案(Big work 13 spring, Water Resources Engineering Introduction online test 1 answer).doc

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大工13春《水利工程概论》在线测试1答案(Big work 13 spring, Water Resources Engineering Introduction online test 1 answer) Great works, 13 spring, online introduction of hydraulic engineering, 1 Total score: 100 test time: - Judgment question Radio examination A multiple-choice question Judgment questions (a total of 15 questions, a total of 45 points) 1. roller compacted concrete gravity dam can be combined with thin layer large bin casting. A. error B. correct Full marks: 3 2. when the dam type used is not suitable for overflow from the dam or the valley is narrow, the spillway can be located outside the dam. A. error B. correct Full marks: 3 3. Xiluodu is the highest gravity dam built in China in recent years, the dam is 350 meters high. A. error B. correct Full marks: 3 4. when the pressure of a point in the dam flows to a saturated vapor pressure, the gas nucleus in the water body expands rapidly into a small cavity, called cavitation. A. error B. correct Full marks: 3 5. arch dam of Longyangxia the Yellow River hydropower station belongs to gravity arch dam. A. error B. correct Full marks: 3 The horizontal section of the 6. arch dam is composed of curved arches, with both ends supported on the bedrock of both banks. A. error B. correct Full marks: 3 7. the entrance of the approach channel shall be as far away from the outer anchorage as possible. A. error B. correct Full marks: 3 8. for arch dams, the weight is not a general load, and the design is in process of simultaneous or negligible seismic load. A. error B. correct Full marks: 3 9. the fluctuation of the water reduces the instantaneous load on the building and reduces the energy dissipation of the dam. A. error B. correct Full marks: 3 10. the first upper water diversion channel in ancient Rome was the aqueduct of maldives. A. error B. correct Full marks: 3 11.1950 years later, the arch dam is developed, in Switzerland built the worlds tallest Dick sens of arch dam. A. error B. correct Full marks: 3 12. in the world, more
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