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单选题
GMDSS中，岸到船的报警是（）。
A
船台向RCC报警
B
船台向地面站报警
C
RCC向船台转发报警
D
船台向船台报警
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单选题SOLAS公约规定，防火安全的目标有（）。 Ⅰ、防止火灾和爆炸的发生 Ⅱ、减少火灾对船舶、船上货物和环境的破坏危险 Ⅲ、限制可燃材料的使用 Ⅳ、为乘客和船员提供充分和随时可用的脱险通道A
Ⅰ～ⅢB
Ⅱ～ⅣC
Ⅰ～ⅣD
Ⅰ＋Ⅱ＋Ⅳ
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单选题You are signing on a deck officer，who will be designated as one of the GMDSS operators，before sailing foreign．Which statement is TRUE（）.A
He/she must have an STCW certificate endorsed as“Valid for Service on Vessels Operating in the GMDSS System”B
He/she must present either an FCC-issued license or a Coast Guard-issued licenseC
You must consult the“List of Qualifications”on the reverse of his/her FCC-issued licenseD
His/her Merchant Mariners Document must have an added endorsement as “Radio Electronics Officer”
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explosive rangeB
flash pointC
ignition temperatureD
combustion temperature
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单选题In a diesel engine cooling system, the high temperature alarm contact maker will be activated on excessively high water discharge temperature from the （）A
raw water pump dischargeB
expansion tank outletC
cooling water heat exchangerD
outlet engine jacket water outlet
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单选题在使用自动舵时，下列情况中哪些应换成人工操舵（）。 ①在避让时和雾航时； ②大风浪航行时； ③狭水道航行时； ④航行于渔区，礁区等复杂海区时。A
①～④B
②～④C
①②④D
①～③
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单选题Which of the following pumps belongs to centrifugal pump?（）A
Piston pumpB
Screw pumpC
Diffuser pumpD
Water-ring pump
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单选题A conscious victim who has suffered a blow to the head has symptoms that indicate the possibility of concussion. If the patient feels no indication of neck or spine injury，recommended treatment would include（）.A
turning the victim's head to the side to keep his airway openB
positioning the victim so the head is lower than the bodyC
giving the victim water if he is thirsty，but no foodD
elevating the head and shoulders slightly with a pillow
考题
单选题具有AVR调节器的可控相复励调压装置，从控制规律上看，属于（）调节励磁，从而是恒压的。A
按发电机端口电压偏差及负载电流大小变化B
按负载电流大小变化及相位变化C
按发电机端口电压偏差及负载扰动D
仅按负载电流大小变化
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①+②B
①+③C
①~③D
①~④
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plane tangent at one pointB
cylinder tangent at one parallelC
cone tangent at one parallelD
series of cones tangent at selected parallels
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单选题定线航行的船舶可以申请短期定期船舶签证取代航次船舶签证，其申请应当向（ ）所在地海事管理机构分别提出申请。A
航线始发港B
终点港C
航线始发港或终点港D
航线始发港和终点港
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