A heavy steel device that is set on the sea floor and used a

题目
单选题
A heavy steel device that is set on the sea floor and used as a drilling template in offshore drilling operations is called a().
A

temporary guide base

B

permanent guide base

C

guide frame

D

foundation template

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相似问题和答案

第1题:

Chain slings are suitable for heavy slender articles,such as ________ .

A.timber or steel rails

B.locomotives or boilers

C.railway passenger coaches

D.motor vehicles


正确答案:A

第2题:

A heavy steel device that is set on the sea floor and used as a drilling template in offshore drilling operations is called a ______.

A.temporary guide base

B.permanent guide base

C.guide frame

D.foundation template


正确答案:A

第3题:

Which command is used to restore a Junos device to its default state?()

A. load factory-default

B. load override factory-default

C. load replace default

D. load set default


参考答案:A

第4题:

In nautical terminology a dog is a ______.

A.Crow bar

B.Device to force a water tight door against the frame

C.Heavy steel beam

D.Wedge


正确答案:B

第5题:

______ means the seabed and ocean floor and subsoil thereof,beyond the limits of national jurisdiction.

A.AREA

B.PLACE

C.SEA ROOM

D.WATER


正确答案:A

第6题:

A heavy,thick-walled tube,usually steel,used between the drill pipe and the bit in the drill stem to weight the bit in order to improve its performance is called a ______.

A.heavy-walled drill pipe

B.tool joint

C.down hole tool

D.drill collar


正确答案:D

第7题:

A sea anchor is ______.

A.a heavy anchor with an extra long line used to anchor in deep water

B.a cone shaped bag used to slow down the wind drift effect

C.a pad eye to which the sea painter is made fast

D.made of wood if it is of an approved type


正确答案:B

第8题:

将格式化输出命令的输出送打印机的正确命令是______。

A.SET PRINT ON

B.SET PRINT OFF

C.SET DEVICE TO PRINTER

D.SET DEVICE TO SCREEN


正确答案:C

第9题:

Steel strapping is used for ______.

A.bracing

B.blocking

C.tomming down

D.lashing


正确答案:A

第10题:

______should be used during the poor visibility if the rader’s screen shows heavy sea returns.

A.Gain Control

B.Brilliant Control

C.Anti-clutter Sea Control

D.Sweep Intercept


正确答案:C
海浪抑制干扰按钮应该在能见度差并且雷达屏幕上显示海浪回波很大时使用。

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