更多"Care and cleanliness are required w"的相关试题:
[单项选择]Why is STP required when VLANs span access layer switches?（）
A. to ensure a loop-free topology
B. to protect against user-side loops
C. in order to support business applications
D. because of the risk of lost connectivity without STP
E. for the most deterministic and highly available network topology
[单项选择]When installing rings on a diesel engine piston, you should check the ring（）
A. diametrical tension
B. gap clearance
C. radial thickness
D. face thickness
[单项选择]During the dock repair, when installing the tail shaft and propeller, who should be on the spot to supervise?（）
A. chief engineer
B. the engineer
C. captain
D. any member of the engine department
[单项选择]Particular care is needed when navigating in the vicinity of（）as very few of these features have been fully surveyed to modern standards to determine their correct position，full extent，or the least depth over them.
A. SW of Cocos Islands
B. oceanic dangers or seamounts
C. undiscovered dangers
D. the continental shelf
[单项选择]When required to work where there may be explosive gases, you should use tools which are （）
A. approved by the Coast Guard
B. high carbon steel
C. fixed with a ferrous cover
D. nonsparking
[单项选择]When the movement of engine is no longer required the pilot usually gives the order like this（） .
A. Stop engine
B. Nothing to port
C. Finish engines
D. Finished with engines
[单项选择]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
[单项选择]
In a diesel engine, when installing new piston rings it is important to check（）
Ⅰ.ring gap clearance
Ⅱ.side clearance
A. Ⅰ only
B. Ⅱ only
C. both Ⅰ and Ⅱ
D. neither Ⅰnor Ⅱ
[单项选择]When installing a hydraulic hose, which of the following precautions should be taken?（）
A. The hose should not be twisted
B. The hose should be protected with a sleeve if it is subjected to rubbing
C. There should be some slack in the hose
D. All of the above
[单项选择]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
[单项选择]When one of two vessels（）is required to keep out of the way the other must keep her course and speed.
A. In sight of another
B. Sights the another
C. Not in sight of the other
D. In sight of one another
[单项选择]Vessels are required（）Singapore Port Service when passing the points indicated.
A. communicating with
B. to communicate with
C. be communicated
D. will communicate
[单项选择]Safety is dependent on orderliness and cleanlinessOrder may be maintained by （）
A. storing all items in an assigned place
B. storing all items in a common storage container except those ready-for-sea
C. tagging all items according to their age and then storing them together
D. disposing of worn-out items
[单项选择]Installing tandem anchors on the same mooring line is referred to as（）.
A. doubling
B. pretensioning
C. piggybacking
D. paralleling
[多项选择]Before installing a new, upgraded version of the IOS, what should be checked on the router, and which command should be used to gather this information? （）
A. the amount of available ROM
B. the amount of available flash and RAM memory
C. the version of the bootstrap software present on the router
D. show version
E. show processes
F. show running-config
[多项选择]A company is installing IP phones. The phones and office computers connect to the same devicE.To ensure maximum throughput for the phone data, the company needs to make sure that the phone traffic is on a different network from that of the office computer data traffiC.What is the best network device to which to directly connect the phones and computers, and what technology should be implemented on this device? （）
A. hub
B. router
C. switch
D. STP
E. subinterfaces
F. VLAN
[单项选择]After installing a new hydraulic pump in a system, what special attention should be given to the hydraulic system?（）
A. The relief valves in the system should be readjusted
B. The filters and strainers should be checked frequently
C. All system pressure should be readjusted
D. The system should be drained and renewed with a fluid of different operating characteristics
[单项选择]When can routine communications be resumed when radio silence has been imposed?（）
A. After determining that the frequency or channel appears to be no longer in use
B. After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications
C. Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded
D. If，in the Master's opinion，communications on that frequency will interfere with emergency communications
