When used with reversing reduction gears, medium-speed diesel engines should be bolted to their foundations with fitted bolts at the drive end and clearance(loosely fitted) bolts in other locations √This is done to （）
A . maintain alignment when the ship’s hull is working in heavy seas
B . ensure engine vibrations correspond to the natural frequency of the hull
C . permit the engine to expand away from the driven equipment as the engine heats up and expands
D . maintain engine thrust bearing clearance
相似题目
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When determining a customer’s technical requirements for a Cisco Unified Communications solution， which important tool can be used to determine the bandwidth used by different codecs with various protocols over different media？（）
A . Network Codec Aggregator Tool
B . Bandwidth Estimator Tool
C . Unified Communication Bandwidth Tool
D . Voice Bandwidth Calculator
E . Voice Codec Bandwidth Calculator
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When used in conjunction with a turbocharger, the main function of an after-cooler is to （）
A . increase the density of the cylinder air charge
B . prevent turbocharger overheating
C . liminate the need for a pre-cooler
D . remove moisture from air compressed by the turbocharger
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When designing the WAN module within the enterprise edge, which document is used to specify the connectivity and performance agreements with the service provider?（）
A . RFP
B . RFC
C . SLC/SLA
D . SOW
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ATM carries IP and PPP information with ATM cells. What ATM adaptation Layer is used when an ATMcell carries IP packets and PPP frames？（）
A . AAU2
B . AAL3
C . AAL4
D . AAL5
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When monitoring a system using /usr/bin/vmstat with an interval， the metrics under page pi and page po represent which of the following phrases？（）
A . The pages to and from paging space per second
B . The page intervals and page operations per second
C . The page interrupts and page operations per second
D . The page segments transferred between pi and po devices per second
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When performing incomplete recovery using UNTIL SEQUENCE with RMAN， which two pieces of information are required？（）
A . Thread number.
B . Log Sequence number.
C . Control file sequence number.
D . Name of the last archived log.
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Wale shores would be used when drydocking a vessel with（）.
A . tumble home
B . excessive deadrise
C . excessive trim
D . a list
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When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?（） Ⅰ.filtering Ⅱ.settling
A . Ⅰ only
B . Ⅱ only
C . either Ⅰ or Ⅱ
D . neither Ⅰ or Ⅱ
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When designing the WAN module within the enterprise edge， which document is used to specify the connectivity and performance agreements with the service provider？（）
A . RFP
B . RFC
C . SLC/SLA
D . SOW
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When monitoring a system using vmstat with an interval， the metrics under page po represent which of the following phrases？（）
A . The number pages over the limit
B . The pages to paging space per second
C . The number of page operations per second
D . The number of processes waiting for page out
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When general cargo with different amounts in each draft is involved，the checker must use the （）.
A . unit method
B . block method
C . straight method
D . package method
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When using a fuel with a higher than normal sulfur content in an auxiliary diesel engine, you should（）
A . maintain higher than normal jacket water temperature
B . change the lube oil more frequently than normal
C . maintain a higher air-box temperature than normal
D . maintain a higher air-box pressure than normal
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When performing a backup using Recovery Manager （RMAN）， which four types of files can be backed up with the RMAN BACKUPcommand？ （）
A . data file
B . password file
C . archivelog file
D . temporary file
E . online redo log file
F . the current control file
G . the tnsnames.ora file
H . current server parameter file
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Which of the following problems may occur when using fuel oil with a high sulphur content?（）
A . Injection lag
B . Lube oil dilution
C . Pre-ignition
D . Corrosio
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When using the partially automated setup process, which three tasks must be completed in order to register phones with Cisco Unified CallManager Express?（）
A . Configure the keepalive timer.
B . Associate each phone type with a firmware file.
C . Enable the firmware for each phone type being downloaded.
D . Configure the dial-plan pattern to associate extensions with fully qualified e.164 numbers.
E . Configure the maximum number of ephones that Cisco Unified CallManager Express will support.
F . Configure an ephone for each phone being registered with the Cisco Unified CallManager Express server.
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When performing a backup using Recovery Manager （RMAN）， which four types of files can be backed up with the RMAN BACKUP command？（）
A . data file
B . password file
C . archivelog file
D . temporary file
E . online redo log file
F . the current control file
G . the tnsnames.ora file
H . current server parameter file
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When working with lumber, wire and staples are not desirable to be used because（）.
A . they are not subjected to cause trouble
B . they are difficult to handle this kind of cargo
C . the efficiency of separating is raised
D . the efficiency of loading is greater
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When reversing, the tidal stream will have a period with little or no effect. This is call the_____.
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When people speak, they usually use \correct\ English with a proper grammatical structure. This is not always true when people read.
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When a word with multiple meanings is used in an inadequate context, this word may create ______.
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When a writer uses fewer words than was necessary to express an idea, he is making wordiness. A sentence cluttered with unnecessary words looks awkward.
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When T-accounts with debits and credits are used, debits are recorded on the:
A．Right
B．Bottom
C．Top
D．Left
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Relative measurement method is used when measuring length with percentile meter.（）
是
否
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When he learned of the usefulness of foreign languages, he______studying English with great zeal.
A．took to
B．took on
C．took in
D．took over
