[单项选择]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

更多"Which of the following statements i"的相关试题:

[单项选择]Which of the following statements is true regarding the installation of piston rings on two-stroke/cycle, diesel engines as compared to four-stroke/cycle, diesel engines?（）
A. In a two-stroke/cycle engine, the rings run hotter, requiring the end gap to be greater
B. Some provision must be made in a two-stroke/cycle engine to keep the rings from binding in the ports
C. No gap is required to exist between the ends of the ring when cold in a two-stroke/cycle engine, but a small gap is required in a four-stoke/cycle engine
D. The gaps should be staggered on either side of a piston in a two-stroke/cycle engine, while staggering is not necessary in a four-stroke/cycle engine

查看答案

[单项选择]Which of the following statements is TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?（）
A. The securing of cargo on flats and trailers must be adequate to withstand road motions only
B. The movements experienced by road borne cargo are the same as the movements of a ship at sea
C. The generally recommended lash angle is no greater than 45 degrees relative to the deck in any direction
D. It is not necessary for an adequate number of securing points on the vehicles themselves since setting the brakes is sufficient

查看答案

[多项选择]Which of the following statements are true regarding bridges and switches (Choose 3.)（）。
A. Switches are primarily software based while bridges are hardware based.
B. Both bridges and switches forward Layer 2 broadcasts.
C. Bridges are frequently faster than switches.
D. Switches have a higher number of ports than most bridges.
E. Bridges define broadcast domains while switches define collision domains.
F. Both bridges and switches make forwarding decisions based on Layer 2 addresses.

查看答案

[单项选择]Which of the following statements is true concerning all three-phase alternators?（）
A. Each has three separate but identical armature windings acted on by one system of rotating magnets
B. Each has one armature winding acted on by three identical but separate systems of rotating magnets
C. All three-phase alternators are designed to operate with a O8 leading power factor
D. The three phases always provide power to the load through three sets of slip rings and brushes

查看答案

我来回答:

提交