The fire pumps must be capable of delivering a total quantity of water at a defined head, not less than （） of the total bilge pumping capacity.

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• Fuel oil tanks must be fitted with （） that can be closed rapidly and remotely in the event of an emergency such as a fire.

  A . stop valves B . non-return valves C . quick closing valves D . relief valve

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• On a ship，a fire pump may be used for other purposes if（）.

  A . the other services are run off a reducing station with a pressure gage B . a separate fire pump is available for use on the fire main C . all other services are operated by a manifold near the pump D . All of the above

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• Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from （）.

  A . within the space concerned B . outside the space concerned C . the throttle station D . within the fire room

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• How long must the records of tests and inspections of fire fighting equipment on board a ship be retained on board?（）

  A . 6 months B . 1 year C . 3 years D . Until the next inspection for certificatio

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• All portable fire extinguishers must be capable of being（）.

  A . carried by hand to a fire B . carried or rolled to a fire C . recharged in the field D . used on class "B" fire

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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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• In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by （）.

  A . convection B . conduction C . radiation D . ventilatio

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• While overhauling a jerk-type fuel pump it is necessary to replace the pump plungerWhich of the parts listed below must also be replaced?（）

  A . Delivery check valve B . Pump barrel C . Tubing to the injector D . Cam follower

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• To maintain design discharge pressure from a centrifugal pump, the design clearance must be maintained between the （）.

  A . shaft and impeller B . motor and pump shaft C . casing and impeller wearing rings D . lantern ring and impeller

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• Each fire pump on a tanker must have a pressure gauge located at（）.

  A . the pump discharge B . the manifold connection C . each fire station discharge D . the pump statio

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• For pumping the bilges，a 54 foot long “T-Boat”，which is not a ferry，but is certificated to carry 30 passengers，must be fitted with at least（）.

  A . one fixed power pump and one portable hand pump B . one fixed hand pump and one portable hand pump C . two portable hand pumps D . either "A" or "B&quot

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• A branch line valve of a fire extinguishing system on a ship must be marked with the（）.

  A . maximum pressure allowed at that branch B . name of the space or spaces which it serves C . date of the last maintenance inspection D . pressure needed to maintain an effective stream at that point

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• Each part of the fire-main system located on an exposed deck must be（）.

  A . protected against freezing B . locked to prevent theft C . numbered sequentially D . pressurized at all time

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• With the shell and cap assembled as for running, a check must be made that the clearance between the cap and the housing （）.

  A . has a nip B . is large enough C . is zero D . are suitable

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• Multiple fire pumps may be used for other purposes provided that one pump is（）.

  A . on line to the fire main B . kept available for use on the fire main at all times C . capable of being connected to the fire main D . rated at or above 125 psi

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• When oily ballast has been pumped overboard，an entry must be made in the（）.

  A . Oil Record Book B . Official Logbook C . deck rough log D . engine rough log

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• 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

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• A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the（）.

  A . fire hose might be damaged by cargo operations B . vessel is in port C . fire-main system is not charged D . fire pumps are used for purposes other than supplying water to the fire mai

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• A fire pump may be used for other purposes if（）.

  A . the other services are run off a reducing station with a pressure gage B . one of the required pumps is kept available for use on the fire main system at all times C . no relief valves are installed D . all of the above conditions are met

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• On a cargo vessel, fire and boat drills must be held within 24 hours of leaving port if the percentage of the crew replaced is more than （）.

  A . 5% B . 10% C . 25% D . 40%

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• The discharge side of every fire pump must be equipped with a（）.

  A . gate valve B . pressure gauge C . check valve D . strainer

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• The signal for fire alarm on a ship must be indicated（）.

  A . at each alarm bell B . at each alarm actuator C . near all exits D . on the station bill

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• Each fire pump on a ship must have a pressure gauge located at（）.

  A . the pump discharge B . the manifold connection C . each fire station discharge D . the pump statio

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