The furnace of an oil fired boiler should be （） before the operating burner is lit.

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• Which of the actions listed should be taken FIRST to control an oil fire in a fuel oil tank?（）

  A . Commence draining that tank as quickly as possible B . Seal off all vents to that tank C . Activate the CO system to that tank D . Shut off the steam heating coil

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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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• The longer an oil fire is permitted to burn, the （）.

  A . harder it is to extinguish B . easier it is to extinguish C . less chance there is of re-ignition D . easier it is to control

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• When fighting an oil or gasoline fire in the bilge，which of the following should NOT be used?（）

  A . Foam B . Solid stream water nozzle C . All-purpose nozzle D . Carbon dioxide

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• The forced draught fan should be started and air passed through the furnace for several minutes to “（）” it of any exhaust gas or oil vapors.

  A . blow B . clean C . scavenge D . purge

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• The ability of an oil to separate cleanly from an oil and water mixture is referred to as its （）.

  A . precipitation number B . neutralization number C . pour point D . demulsibility

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• The FIRST course of action in fighting a fire in a cargo or fuel oil tank is to （）.

  A . secure all openings to the tank B . discharge an initial charge of CO with a hand portable extinguisher C . direct a fire hose into the tank and energize the fire main D . spray the tank boundaries with a fire hose to promote cooling

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• The purpose of a temperature sensing device installed in the stack of a small automatically fired auxiliary steam boiler is to secure the oil burner（）

  A . in the event of a flame failure B . in the event of a stack fire C . when the water level reach the crown sheet D . when the feed pump discharge pressure drops to a preset minimum

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• A large oil fire on the deck of a ship can be fought most effectively with（）.

  A . dry chemical B . foam C . high-velocity fog D . water

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• Improper maintenance of the fuel oil burners in an automatically fired auxiliary boiler, could result in （）

  A . increased fuel consumption B . increased feed water consumption C . fuel pump failure D . combustion control system failure

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• The max effluent of the oil content from a ship of 400 tons gross tonnage and above other than an oil tanker is（）.

  A . less than 100 parts per million B . more than 100 parts per million C . at least 100 parts per million D . 100 parts per millio

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• The FIRST step to take in fighting an engine room fire resulting from a ruptured fuel oil service line, is to （）.

  A . evacuate all engine room personnel B . fight the fire with hand portable extinguishers C . activate the main CO bank D . stop the flow of leaking fuel oil

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• Too much air in the furnace of an oil-fired boiler would be indicated by （）.

  A . yellowish flame B . golden yellow flame C . white flame D . brilliant white flame

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• The operating water is supplied under the （）of an oil separator.

  A . sliding bowl bottom B . bowl hood C . bowl D . filter unit

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• The （）is not a component of an oil separator.

  A . sliding bowl bottom B . gravity disc C . separating disc D . scum valve

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• A distorted furnace in a fire-tube auxiliary boiler may be the result of （）

  A . firing for extended periods in the low fire mode B . overheating, due to waterside deposits C . varying the water level above the crown sheet D . carrying excessive alkalinity in the boiler water

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• When an oil fire has been extinguished, the surface of the oil should be kept covered with foam to prevent （）.

  A . air from contacting the oil vapors B . permitting re-ignition boiling of the heated oil C . spontaneous combustion below the oil surface D . toxic fumes from escaping to the surface

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• The fire of fuel oil is classified as（） fire.

  A . Class A B . Class B C . Class C D . Class D

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• The defective places in the furnace （） with fire bricks.

  A . should be paved B . should be cleaned C . should be dismantled D . should be welded

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• You are transferring fuel from the storage tanks to the day tanks by means of an electric fuel oil transfer pumpIf the pump motor catches fire, you would FIRST （）.

  A . secure the fuel manifold B . shut off power to the pump C . shut off the power ventilation D . spray water on the fire

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• Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil? （）

  A . Draining it overboard when the vessel gets underway B . Placing it in proper disposal facilities C . Adding sinking agents and discharging it into the water D . Mixing it with dispersants before draining it overboard

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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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• Which of the listed fire extinguishers is recommended for use on an electrical switchboard fire？

  A.CO2 B.ABC dry chemical C.CO2 propelled foam D.All of the above

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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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