To prevent a wooden hull from leaking you caulk it（）.

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  A . Worm that part of the line B . Splice that part of the line C . Cover it with chafing gear D . Install a cleat

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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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• The wooden plug inserted in the vent of a damaged tank should be removed if you are going to （）.

  A . pump from the damaged tank B . fight a fire C . abandon ship D . use the crossover system

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• What is used to prevent twisting of a towing bridle?（）

  A . A bitt B . A bulkhead C . A V-spring D . A fishplate

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• If the buoyant force on a ship’s hull is equal to the displacement tonnage，the ship will（）.

  A . require ballast B . be down by the head C . sink D . float

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• You need to prevent a custom application from connecting to the Internet. What should you do?（）

  A . From Windows Firewall， add a program. B . From Windows Defender， modify the Allowed items list. C . From Windows Firewall with Advanced Security， create an inbound rule. D . From Windows Firewall with Advanced Security， create an outbound rule.

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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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• The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the（）.

  A . air gap B . freeboard C . penetration D . water depth

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• Where a propeller shaft passes through the hull，water is prevented from entering by means of a（）.

  A . stuffing box B . propeller boss C . seacock D . stop-water

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• （）refers to the depth of a vessel below the waterline，measured vertically to the lowest part of the hull，propellers or other reference points.

  A . Free board B . Stability height C . Metacentric height D . Draft

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• Placing a lashing across a hook to prevent a fitting from slipping out of the hook is called （）.

  A . faking B . flemishing down C . mousing D . worming

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• The safest procedure used to rig a guy and preventer is to have the guy（）.

  A . and preventer have equal stress B . stronger than the preventer to minimize the danger of separation C . take a lighter load than the preventer as a safety factor D . take the stress in case the preventer part

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• Sue and Labor is to（）a loss which would be recoverable under PICC Hull Insurance Clauses.

  A . avert or minimize B . increase or maximize C . claim D . indemnify

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• Our ship has not been to shipyard for a long time, the fouling on the ship’s hull greatly decreases her（）.

  A . resistance B . weight C . speed D . displacement

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• Insufficient space between the hull and bottom in shallow water will prevent normal screw currents resulting in （）.

  A . waste of power B . sudden sheering to either side C . sluggish rudder response D . All of the above

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• Cargo damaged due to water being present in a cargo hold，as a result of a leak in the hull plating，is said to be damage by（）. ① Free moisture ② Transfer of hygroscopic moisture

  A . ① only B . ② only C . Both ① and ② D . Neither ① nor ②

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• Compared to internal structural plating，the exterior hull plating on a ship is usually（）.

  A . stronger B . thinner C . more corrosion resistant D . a lower grade steel

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• Repairing damage to the hull of a ship at or above the waterline reduces the threat of（）.

  A . free surface effects B . capsizing the ship C . continued progressive flooding D . wind overturning moment

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• If the buoyant force on a ship’s hull is equal to the displacement tonnage, the ship cause（）.

  A . require ballast B . be down by the head C . sink D . float

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• To prevent modification of array values in a function

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• ______ refers to the depth of a vessel below the waterline，measured vertically to the lowest part of the hull，propellers or other reference points．

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• Have a good from time to time to prevent yourself from getting stiff.

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• is one way to prevent（防止) the strong sunshine in Bangkok.A．Wearing a hatB．Staying in the

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• Which is Not mentioned as a way to prevent chronic-disease deaths？

  A. timely medical treatment B. healthy eating C. more physical activity D. reduction in drinking and smoking

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