大工秋《船舶与海洋工程概论》在线测试答案.docVIP

大工13秋《船舶与海洋工程概论》在线测试1答案 Great works, 13 autumn, introduction to ship and ocean engineering, online test 1 Multiple-choice questions, multiple-choice questions, judgment questions First, radio questions (10 questions, 20 points) 1. sonar is divided into active sonar and () two kinds according to their detection methods. A. navigation sonar B. passive sonar C. attack sonar D. reconnaissance sonar Developing options: B 2. on the entire surface of the earth, the ocean occupies about (), about 360 million square kilometers. A. 61% B. 71% C. 81% D. 94% Developing options: B The following 3. main features: the structure of the ship which is not (). A. double bottom B. is equipped with fore and aft cabins C. the engine room is in the rear, close to closed D. a high degree of automation Developing options: A 4. in accordance with the use of ships can be divided into military ships and () two categories. A. civil ships B. transport ships C. engineering ship D. scientific expedition ship Developing options: A 5. () is a general term for ships engaged in fishing. A. salvage ship B. fishing boat C. salvage ship D. pilot boat Developing options: B 6. the ship can be divided into two categories according to the navigation area. A. seagoing vessel B. river boat C. surface ship D. submarine Developing options: A 7., China is a vast marine country with a coastline of more than kilometers. A. 15 thousand B. 18 thousand C. 25 thousand D. 28 thousand Developing options: B 8. which of the following does not belong to the cargo vessel?. A. grocery ship B. crude oil carrier C. car ferry D. container ship Developing options: C Less than 9. of the vessels that do not belong to the high performance ship are (). A. planing boat B. hovercraft C. icebreaker D. wing ship Developing options: C 10. () is a large warship with carrier aircraft as its main weapon. A. aircraft carrier B. cruiser C. frigate D. landing combat ship Developing options: A Great works, 13 autumn, introduction to ship and oce