To determine if a CO2 fire extinguisher is fully charged，you would（）.

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• Before using a fixed CO2 system to fight an engine room fire，you must（）.

  A . secure the engine room ventilation B . secure the machinery in the engine room C . evacuate all engine room personnel D . All of the above

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• If a scavenge fire starts, the engine must be put to “（）” and the fuel must be taken off the cylinders affected by the fire.

  A . stop engine B . finished with engine C . dead slow ahead D . dead slow aster

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• The best way to determine if a load is within maximum lift limits is to use（）.

  A . a boom angle indicator B . a load weight indicator C . material invoices for shipping weights D . prior experience with similar lift

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• Which one of the following commands can be used to enable AAA authentication to determine if a user canaccess the privilege command level？（）

  A . aaa authentication enable method default B . aaa authentication enable default C . aaa authentication enable level D . aaa authentication enable default local

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• If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?（）

  A . Dry chemical B . Halon C . Low velocity fog D . Steam

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• To determine if a C02 fire extinguisher is fully charged, you would（）.

  A . operate the trigger valve B . weigh the extinguisher C . test with a pressure gauge D . read the date of last test

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• In order to release CO2 to the machinery spaces from a fixed fire extinguishing system, you must（）.

  A . actuate an alarm and open the engine room control valve B . actuate an alarm and open the engine room CO releasing valve C . open the engine room control valve and shut off engine room ventilation fans D . open the engine room control valve and then the CO releasing valve

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• When using carbon dioxide to fight a fire on a bulkhead，the CO2 should be applied（）.

  A . first to the bottom of the flaming area，sweeping from side to side，and following the flames upward B . in a circular motion from the middle of the bulkhead outward C . to the top of the flaming area，sweeping from side to side，and working toward the bottom D . in an up-and-down motion from one side of the bulkhead to the other

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• After extinguishing a fire with CO2，it is advisable to（）.

  A . use all CO available to cool the surrounding area B . stand by with water or other agents C . thoroughly ventilate the space of CO D . jettison all burning material

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• If you must enter a room or compartment to combat the fire, keep an escape path （）.

  A . open B . close C . opens D . close

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• What determines if a vessel is restricted in her ability to maneuver?（）.

  A . Whether or not all of the vessel's control equipment is in working order B . The vessel's draft in relation to the available depth of water C . Whether the nature of the vessel's work limits maneuverability required by the Rules D . Whether or not the vessel is the give-way vessel in a meeting situatio

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• Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.

  A . the CO being inhaled by personnel B . reflash of burning liquids C . vapor condensation on the extinguisher D . the discharge causing a static spark

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• Which is the proper method of determining whether a portable CO2 fire extinguisher needs recharging?（）

  A . Check the tag to see when the extinguisher was last charged B . Release a small amount of CO ; if the CO discharges，the extinguisher is acceptable C . Weigh the extinguisher and compare the weight against that stamped on the valve D . Recharge the extinguisher at least once each year

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• The simplest method to use for determining if a centrifugal pump is operating as designed, is to （）.

  A . closely observe the pump discharge temperature B . close off the discharge valve, and watch for a rise in pressure C . momentarily close off the suction valve, and watch for a rise in pressure D . use a clamp on ammeter and compare the readings to past record

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• Which of the following commands should be used to determine if a remote print queue is down?（）

  A .  lsqdev  B .  lpstat  C .  lptest  D .  prtconf

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• Which of the following performance tools can be used to determine if a system is thrashing？（）

  A .  svmon and tprof B .  vmtune and schedtune C .  ps and schedtune D .  vmstat and topa

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• What IPv6 address would you ping to determine if OSPFv3 is able to send and receive unicast packets across a link？

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• Which of the following commands can be used to determine if a disk drive is causing a bottleneck?（）

  A .  vmstat  B .  fileplace  C .  iostat  D .  lvmstat

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• If a diesel engine driving a generator turns over freely but fails to fire properly, the cause could be （）

  A . excessive compression pressure B . air in the fuel lines C . high fuel pressure D . excessive load

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• Which command is used to determine if a host has logged in to the Fibre Channel fabric？ （）

  A .  show flogi database B .  show system fc login C .  show npv flogi-table D .  show npv fcns database E .  show interface vfc X flogi F .  show interface flogi

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• If there has been a fire in a closed unventilated compartment it may be unsafe to enter because of （）.

  A . unburned carbon particles B . excess nitrogen C . a lack of oxygen D . excess hydroge

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• To determine if risk of collision exists，a vessel which is fitted with radar must use（）.

  A . radar scanning B . radar plotting C . compass bearings D . All of the above

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• If the scavenge fire is of a more major nature, if there is a risk of the fire extending or if the scavenge trunk is adjacent to the crankcase with risk of a hot spot developing it sometimes becomes necessary to （）the engine.

  A . stop B . start C . speed up D . slow dow

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• According to UCP 600, banks shall each have a maximum of ( ) banking days following the day of presentation to determine if a presentation is complying.

  Four Three Five  Two

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