海船船员考试
单选题When is the density of the water required to be logged in the logbook of a ship?（）A Any time the vessel moves from water of one density into waters of a different densityB Prior to getting underway when the vessel is floating in fresh or brackish water
题目
Any time the vessel moves from water of one density into waters of a different density
Prior to getting underway when the vessel is floating in fresh or brackish water
Only when the vessel moves from fresh water into salt water
The density of the water is not required to be logged in the unofficial logbook
相似问题和答案
第1题：
A. when the remote VPN peer is behind a NAT device
B. when multiple networks need to be reached across the tunnel
C. when the remote VPN peer is a dialup or remote access client
D. when a dynamic routing protocol such as OSPF is required across the VPN
第2题：
Prior to getting underway in fresh or brackish water，the Master must ______.
A.log the density of the water
B.secure all overboard discharges
C.take on fresh water ballast
D.clean the sides with fresh water
第3题：
_____, water turns into ice.
A、When freezing
B、When frozen
C、When it has been frozen
D、When freezes to it
第4题：
A ______ is created by a pressure gradient or slope in the water level．
A.gradient current
B.density current
C.swift current
D.torrent current
第5题：
When are fore and aft draft readings required to be entered in the unofficial logbook of a ship?
A.Once a day
B.Once a week
C.Prior to getting underway
D.Only when entering waters of different density
第6题：
Permission is kindly ______ about 1000 tons of clean sea water ballast，as and when required for trimming purposes．
A.requested to pump out
B.requested pumping out
C.requesting to pump out
D.requesting pumping out
第7题：
When is the density of the water required to be logged in the logbook of a ship?
A.Any time the vessel moves from water of one density into waters of a different density
B.Prior to getting underway when the vessel is floating in fresh or brackish water
C.Only when the vessel moves from fresh water into salt water
D.The density of the water is not required to be logged in the unofficial logbook
第8题：
A. When two-way disk mirroring is required for the allocation units
B. When three-way disk mirroring is required for the allocation units
C. When using hardware mirroring or RAID
D. When disk mirroring is required for the Automatic Storage Management (ASM) disks
第9题：
The major components which determine the length of catenary in a deployed anchor cable are water depth，cable tension，and ______.
A.environmental forces
B.bottom conditions
C.cable weight
D.water density
第10题：
When you are logged into a switch, which prompt indicates that you are in privileged mode？（）
- A、%
- B、@
- C、>
- D、$
- E、#
正确答案:E