更多"[单选题] Tugs sometimes shackle a leng"的相关试题:
[单选题] _______ port anchor，one shackle in water.
A. Throw
B. Heave in
C. Cast off
D. Let go
[单选题] The length of a wave is the length ______.
A. of the wave’s crest
B. of the wave’s trough
C. measured from crest to trough
D. measured from crest to crest
[单选题]The chain transmission,forming the connection between___and the camshaft,is enclosed in the chain drive
A.the turning gear
B.the crankshaft
C.the connecting rod
D.the piston rod
[单选题] Deficient oxygen content inside a chain locker can be detected with ______．
A.litmus paper
B.combustible gas indicator
C.oxygen breathing apparatus
D.oxygen indicator
[单选题] The perforated，elevated bottom of the chain locker，which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains，is called a ______．
A.cradle
B.draft
C.harping
D.manger
[单选题]A chain bridle is used when towing astern because it ______．
A.Is easy to connect
B.Provides an effective catenary and absorbs shock due to its weight
C.Makes rigging a swivel unnecessary
D.Prevents the tow from yawing by the drag of the chains in a seaway
[单选题] What is meant by veering the anchor chain?
A. Bring the anchor to short stay
B. Heaving in all the chain
C. Locking the windlass to prevent more chain from running out
D. Paying out more chain
[单选题]A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain ______．
A.is more flexible and has the ability to absorb shock because of its weight
B.is less subject to wear and damage from abrasion
C.requires little maintenance
D.All of the above
[单选题] Sometimes a tropical storm moves so slowly that a vessel，if astern of it，can ______ it．
A.Cross
B.Approach
C.Proceed near
D.Run into
[单选题] What can cause a lack of oxygen in a chain locker ________．
A.Absorption
B.Osmosis
C.Evaporation
D.Oxidation
[单选题] Sometimes I act as a listening ear for fellow students _____ what is bothering them.
A. to talk over
B. talked over
C. talk over
D. having talk over
[单选题] It is possible，and sometimes necessary，to strengthen the deck of a vessel for carriage of deck cargo by ______．
A.placing bunker on the deck
B.building a stage on which to place the cargo
C.welding steel feet to the deck，on which the cargo is placed
D.erecting vertical pillars under the deck to support the cargo
[单选题] A design modification of an anchor chain which prevents kinking is the ______．
A.Detachable link
B.Stud link
C.Kenter link
D.Connecting link
[单选题] In summer, the temperature sometimes _____ as high as 39℃.
A. rises
B. rising
C. raising
D. raises
[单选题] The length of the steering oar in a lifeboat is ______．
A.shorter than the rowing oars
B.the same length as the rowing oars
C.longer than the rowing oars
D.unrelated to the length of the rowing oars
[单选题] What is the normal length of anchor cable used to anchor a vessel ________.
A. An amount equal to the depth of the water
B. Two times the depth of water
C. Three to four times the depth of water
D. Five to seven times the depth of water
[单选题] According to the Rules, a vessel’s length is her ______.
A. length between the perpendiculars
B. length along the waterline
C. length overall
D. registered length
[单选题] 1 nautical mile is the length of an arc of a great circle which subtends an angle of ____________ at the centre of the Earth.
A. 1 degree
B. 1 minute
C. 1 second
D. 1. 5 degree
[多选题]在命令aggregateipv4-address{mask|mask-length}[as-setIattribute-policyroute-policy-name1ldetail-suppressedIorigin-policyroute-policy-name2|suppress-policyroute-policy-name3]中，多个参数可以用来影响汇总路由及其结果。关于该命令描述正确的是?
A.如果配置了As-set,汇总路由的AS_PATH包含所有具体路由的AS路径信息，以防止路
由环路
B.如果配置了Suppress-policy，也会产生聚合路由，Route-policy中的if-match子句用来挑选抑制的明细路由。匹配Route-policy的明细路由仍然会被通告给其他BGP邻居
C.如果配置了Origin-policy，只有与Routepolicy匹配的明细路由才能参加聚合
D.如果配置了Attrbute-policy，可以更改聚合路由的属性
