The various pumps and lines are （） to

1、The lines led forward from the bow and

The lines led forward from the bow and aft from the stern when a vessel is moored to the dock are（）.Abow and stern linesBbreast linesChalyardsDwar

2、SINGLE UP FORWARD TO HEAD LINE AND SPR

SINGLE UP FORWARD TO HEAD LINE AND SPRING means（）.Alet go all the lines forward including head line and springBlet go the head line and spr...

3、Centrifugal pumps are non-positive and

Centrifugal pumps are non-positive and a fairly （） unit.Alow pressureBlow dischargeClow speedDhigh pressure

4、The Vikings began to attack various pa

The Vikings began to attack various parts of England from the end of the（）century.A7thB8thC9thD10th

5、Please（）all the lines fore and aft，the

Please（）all the lines fore and aft，the vessel is just in her position of the berth now.Apay outBmake fastCshortenDhold o

6、The fuel booster pump and steam to fue

The fuel booster pump and steam to fuel heater, together with fuel pipe heater tracer line should be shut off as soon as the （） order is acknowledged.Afinished with enginesBstopCstand byDfull ahead