更多"[单选题]. ______ objects are those whi"的相关试题:
[单选题] Of the vessels listed ,which must keep out of the way of all the others?
A. A vessel constrained by her draft
B. A vessel restricted in her ability to maneuver
C. A vessel on pilotage duty
D. A vessel engaged in fishing
[单选题] Where does the look-out man stand ________.
A. In positions in which the noises in the ship are least likely to interfere with the hearing of a fog signal and the man can see clearly
B. In positions in which the noises in the ship are much likely to interfere with the hearing of a fog signal
C. In positions in which the hearing of a signal is reduced to a minimum
D. In a position in which the man can see clearly
[单选题] Point out which one of the following items is not in the charge of Chief Officer in repairing operation. _______.
A. hull cleaning
B. derusting and painting
C.the maintenance of boiler
D. docking and undocking
[单选题] Every vessel which is ______ to keep out of the way of another vessel shall，so far as possible，take early and substantial action to keep well clear．
A.detected
B.decided
C.directed
D.deceased
[判断题] H-H、Cl-Cl、H-Cl都是非极性键。
A.正确
B.错误
[判断题]10g/LNH4Cl 溶液表示 1LNH4Cl 溶液中含有0.1gNH4Cl。( )
A.正确
B.错误
[单选题]CL=1. 3和 CL=1.0
A. 前者产生更大的升力
B. 后者产生更大的升力
C. 产生升力相等
[单选题] IMO stand for:
A. international maritime organization
B. international marine association
C. international labour organization
D. international maritime order
[单选题]在含 Cl-的溶液中,滴加 AgNO3 溶液,初始阶段为未饱和溶液,则﹝Ag+﹞﹝Cl+﹞与KSP(AgCl)之间的关系为( )。
A.[Ag+][Cl+]﹤KSP(AgCl)
B.[Ag+][Cl+]=KSP(AgCl)
C.[Ag+][Cl+]﹥KSP(AgCl)
D.无法确定
[填空题]当入射纵波大于第一临界角小于第二临界角时，且CL2>CL1时，第二介质中只有( )存在。
[单选题]由乙烯制取二氯乙烷，反应式为C2H4+Cl2 ClH2C-CH2Cl。通入反应的乙烯量为600Kg/h，
其中乙烯含量为92%（wt%），反应后得到二氯乙烷为1700 Kg/h，并测得尾气中乙烯量为40 Kg/h， 则乙烯的转化率、二氯乙烷的产率及收率分别是( A )。
A.93.3% 94% 92.8%
B.93.3% 95.1% 93.2%
C.94.1% 95.4% 93.1%
D.94.1% 95.6% 96.7%
[单选题] What does ECDIS stand for?
A.Electrical Chart Display and Indication System
B.Electronic Chart Display and Information System
C.Electric Chart Display and Informing System
D.Electronic Chart Display and Indicating System
[单选题] You stand a greater risk of injuring yourself or your shipmate during mooring and unmooring operations than at any other time. So remember ________.
A.Do not wear safety shoes, gloves and an overall with long sleeves
B.Stand as closely as possible in the rope rail
C.Do not work too close to the drum when handling wires/ropes
D.If the line takes charge, try to stop it with your feet/hands
[单选题] What does the abbreviation VHF stand for？
A. Vessel's Hoisting Flag
B. Very High Safety
C.Vessel's Homing Frequency
D. Very High Frequency
[单选题]国际标准化组织( International Organization for Standardization,ISO)对信息安全的定义为( )
A.保护信息和信息系统不被未经授权的访问、使用、泄露、修改和破坏,为信息和信息系统提供保密性完整性、可用性、可控性和不可否认性
B.信息安全,有时缩写为 Infosec,是防止未经授权的访问、使用、披露、中断、修改、检査、记录或破坏信息的做法。它是一个可以用于任何形式数据(例如电子、物理)的通用术语
C.在既定的密级条件下,网络与信息系统抵御意外事件或恶意行为的能力,这些事件和行为将威胁所存储或传输的数据以及经由这些网络和系统所提供的服务的可用性、真实性、完整性和机密性
D.为数据处理系统建立和采取技术、管理的安全保护,保护计算机硬件、软件、数据不因偶然的或恶意的原因而受到破坏、更改、泄露
[单选题] Every oil tanker operating with dedicated clean ballast tanks shall be ______ with a Dedicated Clean Ballast Tank Operation Manual detailing the system and specifying operational procedures.
A. complied
B. replied
C. divided
D. provided
[单选题] The rules require that a stand-on vessel SHALL take action to avoid collision when she determines that ______．
A.risk of collision exists
B.the other vessel will cross ahead of her
C.the other vessel is not taking appropriate action
D.collision cannot be avoided by the give-way vessel's maneuver alone
