The service life of distress signals m

The service life of distress signals must be not more than（）.

Aforty two months from the date of manufacture
Bthirty six months from the date of the last inspection
Ctwenty four months from the date of approval
Dtwelve months from the date of purchase

参考答案

参考解析：

分类：遇险通信题库

相关推荐

1、The effect of TV__________the life of

The effect of TV__________the life of average people is incalculable．AinBforCaboutDon

2、All of the following are distress sign

All of the following are distress signals under the Rules EXCEPT（）.AInternational Code Signal "AA"Borange-colored smokeCred flaresDthe repeated raising and lowering of outstretched arm

3、● Consumption of the total life-cycle

● Consumption of the total life-cycle effort in software maintenance is （71） that in software development．（71）Aless thanBlarger thanCequal or less thanDequal or larger than

4、There are six phases of the Cisco Life

There are six phases of the Cisco Lifecycle Services framework. In which of the following phases would a proposal be developed and delivered?（）APrepareBOperateCPlanDDesig

5、The Safety of Life at Sea Convention w

The Safety of Life at Sea Convention was developed by the（）.AIMDG conferenceBAmerican Bureau of ShippingCInternational Maritime OrganizationDAmerican Institute of Maritime Shipping

6、All of the following are distress sign

All of the following are distress signals under the Rules EXCEPT（）.Aa green star signalBorange-colored smokeCred flaresDthe repeated raising and lowering of outstretched arm

编辑推荐

关于巨幼细胞贫血叙述不正确的是（）..

出票人在票据上的（）必须符合《票据法》、《票据实施管理办.....

餐桌布置时，特别大的餐桌不宜摆放转台，菜肴服务采用（）服.....

合理的搭边宽度是（）。..

煤气放散管的安装要求？..

当采用卷材或板材时，绝热层材料应表面平整，其允许偏差为（.....