单选题船用植物纤维缆在养护周期内的检查要点是（）。 ①外表磨损情况； ②股内有否霉点； ③断股情况。A①②B②③C①③D①②③
单选题
船用植物纤维缆在养护周期内的检查要点是（）。 ①外表磨损情况； ②股内有否霉点； ③断股情况。
A
①②
B
②③
C
①③
D
①②③
参考解析
解析：
暂无解析
相关考题：
单选题When normal operating pressure is applied to the hydraulic oil used in a high-pressure system, the oil （）.Aviscosity will decreaseBvolume will increaseCvolume will decreaseDpour point will be reduced
单选题根据柴油机气缸内燃烧过程的特点分析，影响燃烧过程的因素有（）。 ①燃油品质与换气质量； ②柱塞直径与燃油凸轮线型； ③缸内热状态； ④燃油雾化质量； ⑤转速与负荷； ⑥喷油提前角。A①+②+③B①+③+④+⑤C①+②+③+④+⑥D①+②+③+④+⑤+⑥
单选题Before letting the anchor go，you should check that the（）.Achain is clearBanchor is clear of obstructionsCwildcat is disengagedDAll of the above
单选题某船Δ=5357t，KG=4.42m，KM=5.50m，现将岸上总计重量为100t的货物悬挂在舱内距基线7.1m处，悬索长2m，则装货后船舶初稳性高度为（）m。A1.00B1.16C1.11D1.18
单选题If you detect oil in the water around your vessel while discharging fuel, the FIRST thing to do is（）.Atry to find out where the oil is coming fromBcall the MasterChave the pump man check the discharge pipingDshutdown operations
单选题Which one of the followings does not limit the effective range of radar（）.APulse widthBPulse repetition frequencyCPeak powerDTarget brightness
单选题《MARPOL73/78》附则Ⅰ规定，凡400总吨及以上但小于10000总吨的（），应装设经主管机关认可的滤油设备，以保证排入海中的含油混合物的含油量不超过15ppm。A油轮B非油轮C任何船舶D原油油轮
单选题A towing vessel’s capability is BEST measured by horsepower，bollard pull，maneuverability and（）.AdisplacementBstabilityCtowrope pullDpropeller design
单选题The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and （）.Areduce water temperatureBreduce water turbulenceCprovide an air cushionDallow for an increase in water volume as the engine warms up
单选题船舶在A3海区遇险时，可采用（）设备发送船到岸的报警. 1）MF/HF 2）HF/DSC 3）2182R/T 4）406S-EPIRB 5）INMARSAT船站A1）2）3）B2）4）6）C2）3）4）D3）4）5）
单选题In heavy marine engine the practice is to drive the engine on（）which has previously been stored in starting air reservoirs.Aelectric motorBhydraulic motorCcompressed airDturning gear
单选题Damage by（）shall not be considered as handling damage.Aexposure to inclement weather conditionsBcarelessnessCthe use of improper gearDmoisture caused by condensation
单选题Maintaining the proper fuel oil temperature will result in （）Athe elimination of valve wearBimproved atomizationCa decrease in cylinder blow-byDan increase in cylinder blow-by
单选题根据规定，进行明火作业应具备的技术条件包括：（）I、可燃气体浓度不大于爆炸下限的5%；II、施现场要消除易燃、易爆物品，备足有效的消防器材；III、作业前应查清作业面的的面和四周无易燃、易爆物品；IV、明火作业前应取得船检部门签发的《船舶可燃气体消除证书》AI~IIIBII~IVCI~IVDI、II、IV
单选题以（）度量最大吃水限制线。A载重线的上边缘为准B载重线的下边缘为准C载重线的中线为准D夏季载重线为准