is a device that converts images to di

1、On a ship，a door that is required to b

On a ship，a door that is required to be marked KEEP CLOSED is designed to（）.Aprevent the passage of flammable gasesBprevent the passage of poisonous vaporsCdelay the spread of heat and flamesDmaintain watertight integrity

2、The path that a vessel is expected to

The path that a vessel is expected to follow，represented on a chart by a line drawn from the point of departure to the point of arrival，is the（）.ADR plotBtrack lineCheadingDestimated course

3、is a network layer device that support

is a network layer device that supports multiple LAN interfaces and segments LANs into smaller collision and broadcast domains.ARepeaterBRouterCBridgeDSwitch

4、A pump is defined as device that（）

A pump is defined as device that（）Aproduces pressureBimparts energy to a fluid to move it from level ‘A’ to level ‘B’Ccreates a vacuum to move a liquid in all installationDis to develop a pressure differential

5、● A （74） is a device that enables the

● A （74） is a device that enables the computer to handle sounds.（74）A network cardB video cardC sound cardD monitor

6、A fishing vessel that is required to h

A fishing vessel that is required to have a fireman’s outfit，must have all of the following in the outfit except a（）.AflashlightBcombustible gas indicatorCself-contained breathing apparatusDfire axe