loading答案：A未加码的雷达信号在PPI上显示什么？像一条直线 103. What type of radar can activate a racon? A. X-band radar B. S-band radar C. C-band radar
D. No radar can
答案：A什么类型的雷达能激活雷达信标？X波段的雷达 104. What is a coded racon?
A. A racon which automatically activate itself B. A racon only work at night
C. A racon which display a morse code on the radar screen D. A future racon expected to be operational after Y2000
答案:C什么是编码雷达信标？在雷达屏幕上显示摩尔斯码的雷达 105. What is the purpose of the radar reflector? A. Making objects less visible
B. Making echoes weaker on the radar
C. Making large echoes smailer
D. Making small objects better visible
答案：D雷达反射器的用途是什么？使小物标更清晰 106. How to reduce beam width distortion? A. Adjust centre position
B. Adjust brilliance
C. Adjust heading marker D. Reduce gain
答案：D怎样减少波束宽度的失真？减少增益
107. Marine radar range accuracy is generally______. A. Low
B. High C. Unstable D. Very low
答案：B船用雷达测距精度一般很高
108. What is the purpose of VRM control? A. To measure distance accurately B. To measure bearing accurately C. To measure range accurately D. To adjust radar monitor 答案：A
VRM控制的用途是什么？测量精确的距离
109. What course should be fed in to a stabilized radar picture? A. Compass course B. Gyro course
C. True course
D. Course made good
答案：C什么航向被输入稳定雷达图象？真航向
110. What is the correct speed input to an ARPA used for traffic surveillance?
A. Ground speed
B. Speed through water C. Speed from GPS D. Speed from Doppler
答案：B输入用来交通监察的ARPA的正确的速度是什么？对水速度
111. How does current and drift effect the relative motion, relative vector presentation? A. No effect
B. Producing small errors in calculated aspect C. Producing large errors in calculated aspect
D. Produce errors in calculated CAP/TCPA
答案：A海流和漂流的怎样影响相对运动，相对矢量。没有影响
112. Does current and drift effect the CPA/TCPA calculations on a true motion display? A. Yes
B. No
C. Only a little bit
D. Yes, very seriously
答案：B海流和漂流在真运动显示上影响计算CPA/TCPA吗？ 113. What type of fire detectors is the first to go of in case of a fire? A. Smoke detectors B. Flame detectors
C. Heat detectors D. Gas detectors
答案：A假如发生火灾，什么类型的探测器首先使用？
114. According to SOLAS the breathing air apparatus that must be onboard shall have sufficient capacity for how many minutes of operation? A. 20
B. 30 C. 45 D. 60
答案：B根据SOLAS公约，船上必须配备的呼吸器装置应该有足够的能力支持多少分钟？
115. For most products the fire will die out when the oxygen content is reduced to _____. A. 10% B. 12% C. 15%
D. 21%
答案：B有大多数显示来看火灾将在含氧量减少到12%的时候熄灭 116. Which of these materials has the best heat conduction? A. Gas B. Liquid
C. Metal D. Wood
答案：C这些材料中哪一个最容易导热？金属
117. It is important to get familiarized with the emergency exits onboard, when should this be done?
A. Within a week
B. Immediately after boarding C. Before boarding
D. When you have some extra time
答案：B熟悉船上的紧急出口非常重要，这将在什么时候做？等船以后马上
118. Emergency compressed air breathing escape sets onboard, shall have a duration of service no less than _____. A. 20 minutes B. 15 minutes C. 10 minutes
D. 5 minutes
答案：B船上应急压缩空气呼吸逃生装置使用时间不少于15分钟 119. Watertight compartments are separated by _____. A. Longitudinal bulkhead
B. Tween decks C. Dunnages
D. Decks and bulkheads
答案：D水密舱被垫板分开
A. Maintenance work B. Lashing work C. Tallying work D. Overtime work
答案：A清洁，油漆和修理工作叫做维修工作
120. Cleaning, painting and repairing work is known as _____.
121. What is important to remember when using AIS for collision avoidance? A. AIS may not give a complete picture of the traffic situation B. AIS is more accurate than ARPA C. AIS is not as accurate ARPA
D. AIS is not allowed to be used for collision avoidance
答案：A当使用AIS避免碰撞时应该记住什么是重要的？AIS不能提供完全的交通形式图
122. What is the required minimum ship reporting capacity for AIS according to IMO performance standards? A. 1000 B. 2000
C. 4000 D. 4500
答案：B根据国际还是组织规定，对于AIS，船舶报告能力最低要求的性能标准是什么？
123. In case of AIS overload, what can you expect? A. AIS will shut down B. AIS will “freeze”
C. Largest far away drop out
D. Closes targets drop out
答案：C如果AIS超负荷，你能预料到什么？最大远离到退出 124. Which of the following is defined as static information? A. Navigational status B. Safety related message C. MMSI
D. Route plan
答案：C下列哪个定义为静态信息？海上移动通信业务标识 125. The AIS transponder is designed to transmit information? A. Automatically
B. Semi- automatically
C. Manually
D.AIS is not transmitting at all
答案：AAIS被设计来传输信息？自动地
126. How much can the AIS broadcast mode be overloaded without any significant operational effect?
A. 50-100% B. 200-300% C. 400-500%
D. No overload is accepted
答案：CAIS超负荷播发多大没有任何重大操作影响？ 127. Where should you record the crude oil washing after completion? A. Oil Record Book B. Cow manual
C. Pumping Log D. Inter plant manual
答案：A完成原油洗舱后你需要记录什么？油料记录簿 128. Why was COW made compulsory?
A. To reduce amount of sludge in cargo tanks B. To reduce pollution
C. To improve cargo outturn
D. To prevent corrosion is cargo tanks
答案：B为什么COW被强制执行？为了减少污染
129. How to avoid vapour emission during filling of departure ballast (non SBT vessel)? A. By simultaneous ballasting and cargo discharge B. By reducing the IG pressure
C. By minimizing the amount of departure ballast D. By closing all the openings
答案：A在填充出港压载水时怎样避免蒸汽放射？同时进行打压载水和卸货物 130. Where in the tank shall the oxygen level be determined before crude oil washing? A. 1 meter from the deck and in the bottom of the tank B. In the middle of the tank
C. 1 meter from the deck and in the middle region of the ullage space