单选题The cheek length of a block in inches should be about（）.Athree times the circumference of a manila lineBfive times the diameter of a manila lineCtwice the diameter of its sheaves for manila lineDtwenty times the diameter of a manila line
单选题
The cheek length of a block in inches should be about（）.
A
three times the circumference of a manila line
B
five times the diameter of a manila line
C
twice the diameter of its sheaves for manila line
D
twenty times the diameter of a manila line
参考解析
解析：
暂无解析
相关考题：
If you want to learn about Anderson's col鄄lection,you should click on .A.list by rating B.list by authorC.list by length D.list by date added
According to the author, the reason why we go wrong about our friends is that ______.A)we fall to listen carefully when they talkB)people tend to be annoyed when we cheek what they sayC) people usually state one thing hut means anotherD)we tend to doubt what our friends say
材料：A block may not only indicate the insertion of new information，but also the omission of matter previously shown．The text of the Notice should invariably be read carefully．The limiting lines of a block are determined for convenience of reproduction．They need not be strictly adhered to when cutting out for pasting on the chart，provided that the preceding paragraph is taken into consideration．Owing to distortion the bocks do not always fit the chart exactly．When pasting a block on a chart，therefore，care should be taken that the more important navigational features fit as closely as possible．This is best done by fitting the block while it is dry and making two or three pencil ticks round the edges for use as fitting marks after the paste is applied to the chart．问题：DISTORTION means that ______．A.the change in form of the blockB.extract of in form of the blockC.the extension in form of the blockD.the increasing of the data in the blockWhen cutting out and pasting the block care should be used to ensure that ______．A.it be dry enoughB.pencil should be used properlyC.the limits are adhered strictlyD.the more important navigational features fit as closely as possibleThe block is not used to ______ ．A.show omissionsB.provide new informationC.make corrections to the NoticeD.change the shape of the chartsThe block should be ______ on the chart．A.pastedB.drawn by pencilC.fittedD.put请帮忙给出每个问题的正确答案和分析，谢谢！
When backing down with sternway，the pivot point of a vessel is ______.A.about one-quarter of the vessel's length from the sternB.at the bowC.about one-third of the vessel's length from the bowD.aft of the propellers
How is the size of chain determined?______.A.Length of link in inchesB.Diameter of metal in link in inches or centimetersC.Links per fathomD.Weight of stud cable in pounds
Care should be taken to decrease the length of time that one is subjected（ ）loud continuous noise.to
他们应该明白不同报警信号的意义。（）A、They should be clear about all fire-fighting equipment..B、They should be understood about the meaning of the different alarm signals.C、They should be clear about all life-saving equipment.D、They should be clear about the meaning of the different alarm signals.
What is true about a Pre-Block ACLconfigured when setting up your sensor toperform IP Blocking？（）A、 The Pre-Block ACL is overwritten when a blockingaction is initiatied by the sensorB、 The blocking ACL entries generated by the sensor override the Pre-Block ACL entriesC、 The Pre-Block ACL entries override the blocking ACL entries generated by the sensorD、 The Pre-Block ACL is replaced by the Post-Block ACL when a blocking actionis initiated bythe sensorE、 You can not configure a Pre-Block ACL when configuring IP Blockingon your sensor
You issued the following command： ALTER DATABASE ENABLE BLOCK CHANGE TRACKING； What will be the result of issuing this command？（）A、 The block change tracking feature is enabled， and the information about the system change number is written in the change tracking file.B、 The block change tracking feature is enabled， and the information about the log sequence number is written in the change tracking file.C、 The block change tracking feature is enabled， and the information about the blocks that are changed since the last backup is written in the change tracking file.D、 The block change tracking feature is enabled， and the information about the locations of the datafiles and the online redo log files are written in the change tracking file.
Which of the following are correct about block media recovery？（）A、 Physical and logical block corruption is recorded automatically in V$DATABASE_BLOCK_ CORRUPTIONB、 Logical corruptions are repairable by BMRC、 Physical corruptions are repairable by BMRD、 RMAN can use any backup for a BMR restoreE、 ARCHIVELOG mode is not required if you have both a full and incremental backup for restore
You have an Exchange Server 2010 organization that contains multiple Hub Transport servers. You need to recommend a message hygiene solution to meet the following requirements： .Block servers that are known to send spam .Minimize administrative effort What should you recommend？（）A、an IP Block listB、IP Block list providersC、recipient filteringD、sender filtering
填空题On Mindy's guitar, the frequency of a vibrating string varies inversely as the length of the string. When a guitar string of s inches in length that vibrates at a frequency of 80 cycles per second is shortened to 6 inches in length, it vibrates at a frequency of 120 cycles per second. What is the value of s?____
单选题Two boards are being cut for a construction project. If the total length of the boards is 100 inches and the shorter board is 5 inches less than half the length of the longer board, what is the length of the shorter board?A25 inchesB30 inchesC35 inchesD65 inchesE70 inches
多选题Which three statements are true about logical structures of the Oracle database（）AEach segment contains one or more extents.BMultiple tablespaces can share a single data file.CA data block is the smallest unit of input/output （I/O） in data files.DIt is possible to have tablespaces of different block sizes in a database.EEach data block in the database always corresponds to one operating system block.
单选题In preparing a cargo space for receipt of a shipment of bagged cargo，which instruction for laying dunnage should be followed? （）AUse either 1 or 2 tiers of dunnage，spacing the pieces in each tier a foot apart，and lay pieces in the bottom tier diagonally to the ship's sideBUse 1 tier of dunnage，laying the pieces tightly together to form a solid floor over the steel deckCUse 2 tiers of dunnage，spacing the pieces in the bottom tier about a foot apart and the pieces in the top tier 6 inches apartDUse 2 tiers of dunnage，spacing the pieces in the bottom tier about a foot apart and the pieces in the top tier together
单选题The lifeboats on your vessel are stowed on cradles on deck and are handled by sheath-screw boom davits. Which of the following statements about launching a boat is TRUE?（）AThe boat should be hoisted a few inches clear of the cradle before cranking out the davitsBThe inboard gripes should be cast off before the outboard gripesCThe outboard section of the cradle must be releasedDThe tricing pendants will automatically bring the boat alongside at the embarkation deck
单选题You issued the following command： ALTER DATABASE ENABLE BLOCK CHANGE TRACKING； What will be the result of issuing this command？（）A The block change tracking feature is enabled， and the information about the system change number is written in the change tracking file.B The block change tracking feature is enabled， and the information about the log sequence number is written in the change tracking file.C The block change tracking feature is enabled， and the information about the blocks that are changed since the last backup is written in the change tracking file.D The block change tracking feature is enabled， and the information about the locations of the datafiles and the online redo log files are written in the change tracking file.
单选题You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature.Which statement should you use to enable the block change tracking feature?（）AALTER DATABASE ENABLE BLOCK CHANGE TRACKINGBALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE CALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE DALTER SYSTEM ENABLE BLOCK CHANGE TRACKING
单选题A “stopper” is（）.Aa short length of line used for temporarily holding another lineBa snatch block for handling a topping liftCan engine order telegraphDthe brake on a cargo winch
单选题A cargo of refrigerated fruit is packed in crates with transverse members dividing the crate in two equal parts. Which statement is TRUE?（）AThe cargo block should be tightly packed if the cargo is suitably chilled upon delivery to the vesselBBoth sides of each crate must be checked for the temperature and the appearance of the fruitCThe cargo block should be stowed with air channels built throughout the stowed cargoDThe crates should NEVER be stowed brick fashion
单选题What is true about a Pre-Block ACLconfigured when setting up your sensor toperform IP Blocking？（）A The Pre-Block ACL is overwritten when a blockingaction is initiatied by the sensorB The blocking ACL entries generated by the sensor override the Pre-Block ACL entriesC The Pre-Block ACL entries override the blocking ACL entries generated by the sensorD The Pre-Block ACL is replaced by the Post-Block ACL when a blocking actionis initiated bythe sensorE You can not configure a Pre-Block ACL when configuring IP Blockingon your sensor
单选题他们应该明白不同报警信号的意义。（）AThey should be clear about all fire-fighting equipment..BThey should be understood about the meaning of the different alarm signals.CThey should be clear about all life-saving equipment.DThey should be clear about the meaning of the different alarm signals.
单选题To prevent the overflow of cargo tanks due to expansion, you should top off （）.Ato the bottom of the expansion trunkBto within 1% to 3% of its capacityCto within 1% to 3% inches of its capacityD1 to 3 inches from top of the vent pipe
多选题Which statements are true about logical structures of the Oracle database（）AEach segment contains one or more extents.BMultiple tablespaces can share a single data fileCA data block is the smallest unit of input/output （I/O） in data files.DIt is possible to have tablespaces of different block sizes in a database.EEach data block in the database always corresponds to one operating system block
单选题If 70% of the bananas in a particular harvest had an average (arithmetic mean) length of 7 inches and 30% of the bananas in that harvest had an average (arithmetic mean) length of 5 inches, what was the average (arithmetic mean) length, in inches, of all of the bananas in the harvest?A6.0B6.2C6.4D6.6E6.8
单选题Flexible hose under pressure in a hydraulic system will （）.Atend to twist about its long axisBexpand in length and in diameterCcontract in length and expand in diameterDflex at right angles to the applied pressure
单选题Tugs sometimes shackle a length of chain in the towline in order to（）.Atake the wear should the towline drag bottomBassure that if the towline is overstressed it will part close to the bridleCprevent the towline from whipping should it partDput spring in the towline