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单选题 7.______________is an enhancement to Global Positioning System that provides improved location accura- cy,from the 15-meter nominal GPS accuracy to about 10 cm in case of the best implementations
学科：默认课程
时间：2025-06-12 11:11:00
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题目1单选题
17.During the abandon ship drill,we need check whether lifejackets are correctly_________________A. handledB. operatedC. donnedD. launched
题目2单选题
13.Of the following,_________________ is not likely to be a remark made by PSCOs after their inspectionA. the safety relief valve on feed water line to M/E heat exchanger has fracture in spring com- pression housingB. water ballast tank air vent B closing device broken/defectiveC. master and Company failed to report to Port State ControlD. half of the crew are Chinese
题目3单选题
51.According to the SOLAS,ships shall respond_________________ to any change a higher security levelA. without undue delayB. without due delayC. with due delayD. with undue delay
题目4单选题
5.My gyrocompass ______________is two degrees eastA. wrongB. troubleC. mistakeD. error
题目5单选题
53.How long are you prohibited to consume alcohol prior to serving as a member of a watchA. Within four hoursB. Within two hoursC. Within three hoursD. Within five hours
题目6单选题
22.The ______________of every ship is bound to ensure that watchkeeping arrangements are adequate for maintaining a safe navigational watchA. chief officerB. second engineer officerC. security officerD. master
题目7单选题
52.In which condition should not seafarers be permitted to perform watchkeeping dutiesA. Seafarers are found in high spiritsB. Seafarers are found to be under the influence of drugs or alcoholC. Seafarers are found to rest wellD. Seafarers are found wearing glasses
题目8单选题
72.Pilot boat:"We 'll be with you in 5 minutes,make a ______________ speed of 7 knots,boarding course 270,out."A. mediumB. maximumC. minimumD. boarding
题目9单选题
4.The compass error consists of______________A. ship magnetism error and ship permanent magnetism errorB. geographical magnetic variation and ship magnetism errorC. geographical magnetic variation and ship permanent magnetism errorD. geographical magnetic variation and ship induced magnetism error
题目10单选题
7.______________is an enhancement to Global Positioning System that provides improved location accura- cy,from the 15-meter nominal GPS accuracy to about 10 cm in case of the best implementationsA. DGPSB. AISC. GNSSD. GLONASS
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