更多"When used in conjunction with a tur"的相关试题:
[多项选择]Which commands, when used together, would create an 802.1Q link?（）
A. Switch(vlan)# mode trunk
B. Switch(config)# switchport access mode trunk
C. Switch(config-if)# switchport mode trunk
D. Switch(config-if)# switchport trunk encapsulation dot1q
E. Switch(config)# switchport access mode 1
F. Switch(vlan)# trunk encapsulation dot1q
[单项选择]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 clearances
[单项选择]The term restricted visibility，when used in the Rules，refers to（）.
A. situations when you can see vessels on radar that you cannot see visually
B. visibility of less than half a mile
C. any condition where visibility is restricted
D. visibility where you cannot see shore
[单项选择]Which of the devices listed, when used on an electro-hydraulic steering gear, keeps the movement of the redder closely in step with the steering wheel?（）
A. The follow-up gear
B. The rudder angle indicator
C. The synchronous electric transmitter
D. A rudder angle limit switch
[单项选择]Ammonia when used as a refrigerant is valuable because of its high efficiency, it is however （）.
A. toxic
B. flammable
C. explosive
D. all of the above
[单项选择]Superior conjunction occurs when（）.
A. the Sun is at maximum declination north or south
B. a planet crosses the external plane of the ecliptic
C. the Sun is between the Earth and a planet
D. two planets are in line
[单项选择]When used to fight fire，carbon dioxide（）.
A. is effective if used promptly on an oil fire
B. has a greater cooling effect than water
C. is lighter than air
D. is harmless to cargo and crew
[单项选择]When whistle signals are used for launching lifeboats，one short blast means（）.
A. use the float-free method only
B. lower all boats
C. raise all boats
D. drill is over，secure all boats
[单项选择]When fire pumps are used for other than firefighting service，each pipe connecting the other service (except for branch lines used for deck washing) must have a（）.
A. check valve installed in the line
B. shut off valve at a manifold near the pump
C. quick disconnect union within ten feet of the pump
D. regulator in the line set at 125 psi
[单项选择]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
[单项选择]Wale shores would be used when drydocking a vessel with（）.
A. tumble home
B. excessive deadrise
C. excessive trim
D. a list
[单项选择]More exact assessment of visibility when（）is used to determine the range of vessel or other objects in the vicinity.
A. radar
B. omega
C. satellite navigator
D. DF
[单项选择]When water is used to fight a fire on board a ship，the effect of the weight of the water must be taken into account. How much sea water will increase the weight displacement by one ton?（）
A. 64 cubic feet
B. 35 cubic feet
C. 100 gallons
D. 500 liters
[单项选择]In determining the scope of cable to be used when anchoring，what would NOT be considered?（）.
A. Depth of the water
B. Character of the holding ground
C. maintenance cost for the chain
D. Type of anchor cable
[单项选择]When latitude and longitude are used，these shall be expressed in（）（and decimals of a minute if necessary），north or south of the Equator and east or west of Greenwich.
A. Fathoms and meters
B. Miles and kilometers
C. Arc and degrees
D. Degrees and minutes
[单项选择]The term used in levying customs duties when such are fixed at rates proportioned to estimated value of goods concerned is （）.
A. ad valorem
B. infinite
C. secure
D. specific
[单项选择]（）should generally be used when handing rough or sharp objects.
A. Heat-resistant
B. Rubber gloves
C. PVC gloves
D. Leather gloves
