The signals that will be used fo

One of the signals, other than a distress signal, that can be used by a rescue boat to attract attention is a/an ______.

A.red star shell

B.searchlight

C.burning barrel

D.orange smoke signal

Which statement concerning locating signals in the GMDSS is FALSE ________．

A.Locating signals are transmitted by survival craft VHF transceivers

B.Locating signals are transmitted by SARTs

C.Locating signals are intended to facilitate the finding of a distressed vessel or its survivors

D.Locating signals are not transmitted by autoalarm generators

一维非稳态导热采用向前差分离散微分方程，其显式格式的中心节点方程的稳定性条件为( )。

A．Fo＜1/2

B．Fo≤1/2

C．Fo≥1/2

D．Fo＞1/2

A．

B．

C．

D．

Which of the following statements is TRUE regarding automatic identification systems（AIS）________．

A.AIS cannot be used to make passing arrangements because the system is not capable of this type of ship-to-ship communications

B.AIS cannot be used to make passing arrangements because the ship-to-ship text messaging feature is for emergency use only

C.AIS can be used to make passing arrangements via ship-to-ship text messaging but a vessel operator is not relieved from the requirement to sound whistle signals or make arrangements via bridge-to-bridge radiotelephone

D.AIS can be used to make passing arrangements via ship-to-ship text massaging thus relieving a vessel operator from making such arrangements via bridge-to-bridge radiotelephone or signaling intent to pass via whistle signals

DO NOT RETURN TO YOUR CABIN TO COLLECT YOUR PROPERTY. This sentence is properly used when ______.

A.allocating / directing crew to assembly stations to escape

B.exercising evacuation and boat drill

C.taking protective measures to control the oil pollutions

D.holding course and sounding signals to avoid collision with other vessels

下列关于Fo值的正确表述是

A、用Fo评价灭菌效果、方便、准确

B、Fo的测定需要精度高的热电偶准确测量定样品内的温度

C、Fo是验证干法灭菌可靠性的参数

D、Fo是一个定值

E、测定Fo的参比温度为115℃