The outlet at a fire hydrant may be positioned anywhere from horizontal to pointing（）.

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• A safety outlet is provided on the CO2 discharge piping to prevent（）.

  A . over pressurization of the space being flooded B . rupture of cylinder due to temperature increase C . over pressurization of the CO discharge piping D . flooding of a space where personnel are present

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• At the required fire drill conducted aboard a vessel, all person must report to their stations and demonstrate their ability to perform the duties assigned to them（）.

  A . by the toolpusher B . in the station bill C . by the person conduction the drill D . at the previous safety meeting

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• At the required fire drill conducted aboard a ship，all persons must report to their stations and demonstrate their ability to perform the duties assigned to them（）.

  A . by the toolpusher B . in the station bill C . by the person conducting the drill D . at the previous safety meeting

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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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• Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）

  A . Test the pressure gauge for correct reading B . Weigh the cartridge C . Replace the dry chemical D . Pressure test the discharge hose

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• When you are firing a pyrotechnic distress signal，it should be aimed at（）.

  A . straight overhead B . at the vessel whose attention you are trying to get C . into the wind D . about 60 degrees above the horizo

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• At the required fire drill conducted aboard a vessel，all persons must report to their stations and demonstrate their ability to perform the duties assigned to them（）.

  A . by the toolpusher B . in the station bill C . by the person conducting the drill D . at the previous safety meeting

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• Halon extinguishers used on a class C fire should be directed at the（）.

  A . base of the equipment B . top of the equipment C . power source D . source of the fire

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• The system will include various （） such as low tank level alarms and remote operation of tank outlet valves in the events of a fire.

  A . Switches B . panels C . alarm units D . safety device

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• A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should（）.

  A . remain on course and hold speed B . change course and put the stern to the wind C . change course to put the wind on either beam and increase speed D . remain on course but slack the speed

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• 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.

  A . one-third B . two-thirds C . one-fourth D . two-fourth

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• At night while the ship is tied up to the dock，a fire breaks out in a cargo hatch. After sounding the alarm，what should the person on watch do?（）

  A . Begin fighting the fire immediately B . Await further orders from the Master C . Let go the lines to let the vessel drift to an anchorage D . Send a person to summon the shore authoritie

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• If you hear the firing of a gun at one minute intervals from another vessel，this indicates that（）.

  A . the gun is being used to sound passing signals B . the vessel is in distress C . all vessels are to clear the area D . all is clear and it is safe to pa

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• When a vessel signals her distress by means of a gun or other explosive signal，the firing should be at intervals of approximately（）.

  A . 10 minutes B . 1 minute C . 1 hour D . 3 minute

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• An increased pressure differential between the inlet and outlet of a strainer usually indicates the strainer is （）

  A . holed B . fouled C . clean D . dry

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• To operate a centrifugal fire pump at reduced capacity, you should （）.

  A . readjust the relief valve B . throttle the suction line C . throttle the discharge valve D . open the priming line

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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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• As for an oil-fired boiler if at a normal steaming condition and water goes out of sight in gauge glasses the action you should take is: （） (1) secure oil to fires (2) increase feed pump pressure

  A . （1） B . （1）and（2） C . （2） D . neither（1）nor（2）

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• As for an oil-fired boiler if at a normal steaming condition and water goes out of sight in gauge glasses the action you should take is: (1) secure oil to fires; (2) increase feed pump pressure.

  A.(1) B.(1) and (2) C.(2) D.neither (1) nor (2)

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• Though the firefighters tried very hard to______the fire, it still caused at least five people’s death

  A.put off B.put out C.put on D.put forward

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• Escaping a fire is a serious matter. Knowing what to do before a fire breaks out can save a life. For example, people should know the safety measures to take before opening a hall door during a fire. Also, make sure everyone knows how to unlock doors that may be in the escape path. At times, a key is needed to unlock a door from the inside. So, keep the key in the lock, or, you can put the key on a key ring and put it where it can be found easily.

  If you live in an apartment, know the ways you can use to get out. Show everyone in the family these routes. Stress the importance of using stairways or fire escapes, not elevators. From most homes and the lower floors of apartment buildings, escape through windows is possible. Learn the best way of leaving by a window with the least chance of serious injury. In a home fire, windows are often the only means of escape. The second floor window sill is usually not more than 13 feet from the ground. An average person, hanging by the fingertips, will have a drop of about six to the ground. Of course, it is after to jump a short way than to stay in a burning building. Rolling away from the building when you land. Windows are also useful when you are waiting for help. Often you'll be able to stay in the room for several minutes if you keep the door closed and the windows open. Keep your head low in the window to be sure you get fresh air rather than smoke that may have leaked into the room. On a second or third floor, the best windows for escape are those which open onto a roof or balcony. From the roof or balcony, a person can either drop to the ground or await rescuer. Dropping onto cement or pavement might end in injury. Bushes, soft earth, and grass can help to break a fall. A rope ladder should be considered when the drop is too great. In a town where the fire department acts quickly, it may be best to wait for rescuer. Close the doors and wait by an open window for help. Shout for help. Be sure to close the door before opening a window. Otherwise, smoke and fire may be drawn into the room by the draft. From most homes you can escape a fire through the ______. A．attic B．garage C．windows D．balcony

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• When the relief valve is used as a constant pressure valve, it is connected to the outlet of the hydraulic pump to ensure that the outlet pressure of the hydraulic system (pump) is constant.

  A:正确; B:错误

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• The fire that_____ yesterday caused at least ten people's death.

  A．broke off B．broke up C．broke down D．broke out

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