海船船员考试

单选题During the day，a vessel with a tow over 200 meters in length will show（）.A a black ballB a diamond shapeC two cones，apexes togetherD one cone，apex upward

题目
单选题
During the day，a vessel with a tow over 200 meters in length will show（）.
A

a black ball

B

a diamond shape

C

two cones，apexes together

D

one cone，apex upward

参考答案和解析
正确答案： D
解析： 暂无解析
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相似问题和答案

第1题：

Which of the following is the MAXIMUM cable length for 802.3 Ethernet?（）

  • A、33 Feet (10 meters)
  • B、100 Feet (30 meters)
  • C、328 Feet (100 meters)
  • D、1200 Feet (366 meters)

正确答案:C

第2题：

单选题
A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?（）
A

One

B

Two

C

Three

D

Four


正确答案： C
解析： 暂无解析

第3题：

Which of the following is the MAXIMUM cable length for 802.3 Ethernet?()

A. 33 Feet (10 meters)

B. 100 Feet (30 meters)

C. 328 Feet (100 meters)

D. 1200 Feet (366 meters)


参考答案：C

第4题：

单选题
You have a large，broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision for slipping the tow in an emergency; however，unless there are special circumstances（）.
A

the towing vessel should slip first

B

the vessel towed should slip first

C

they should slip simultaneously

D

either vessel may slip first


正确答案： D
解析： 暂无解析

第5题：

单选题
You see a vessel carrying a black diamond which indicates a（）.
A

vessel towing astern

B

barge pushed ahead

C

vessel towing astern only when the length of her tow exceeds 200 meters

D

this signal does not exist in international waters


正确答案： C
解析： 暂无解析

第6题：

Assuming you build networks to exact specifications, what is the recommended maximum length a 10BaseT cable can be before it has to be segmented or repeated?（）

  • A、100 meters
  • B、100 feet
  • C、100 yards
  • D、200 meters

正确答案:A

第7题：

单选题
At sea，on what occasion would you display two red lights at night or two black balls during the day?（）.
A

When vessel is on fire

B

When vessel is not under command

C

When vessel is carrying the dangerous cargoes

D

When vessel is restricted in her ability to maneuver


正确答案： B
解析： 暂无解析

第8题：

A tow astern is veering from side to side on its towline．The best way of controlling the action is to ______．

A.Trim the tow by the bow

B.Trim the tow by the stern

C.List the tow to windward

D.Adjust the length of the towing bridle


正确答案：B

第9题：

单选题
In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.
A

insure that the hawser leads directly aft as it passes over the stern of the towing vessel

B

increase the stability of the towing vessel by raising the hawser off the deck

C

reduce chafing of the towing hawser

D

prevent fouling of the hawser on deck gear located on the stern of the towing vessel


正确答案： B
解析： 暂无解析

第10题：

单选题
Under International Rules（）.
A

all vessels must carry an after range light

B

vessels less than 50 meters in length need not carry an after range light

C

vessels stopped dead in the water should turn off their range lights

D

vessels over 20 meters in length must carry both range lights from sunset to sunrise


正确答案： C
解析： 暂无解析

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