Vessel propellers are classified as being right hand or left hand.A right hand propeller turns clockwise when viewed from______.

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  A . ship surveyor's report B . a ship's certificate C . a cargo inspection report D . a diver survey report

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• You are requisitioning stores for your tank vessel. What type of matches are permitted aboard?（）

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• In the daytime，you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows（）.

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• You are landing a single-screw vessel，with a right-hand propeller，starboard side to the dock.When you have approached the berth and back the engine，you would expect the vessel to （）.

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• As the propeller turns，voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency，pitting of the blades，and vibration. These voids are known as（）.

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• In twin-screw engine installations while going ahead，maneuvering qualities are most effective when the tops of the propeller blades both turn（）.

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• Sidewise force of the propeller tends to throw a vessel’s stern to the right or left，depending on rotation. This force is caused by（）.

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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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• Small， medium， and large businesses today are increasingly using "Green" products within their IT Environments.  What are the most significant factors propelling this change？（）

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• Keel scantlings of any vessel are greatest amidships because（）.

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• Kort nozzles are installed around the propellers of some vessels to（）.

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• In any case the draught of the vessel at the（）shall not be less than that which is necessary to obtain full immersion of the propeller.

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• A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）.

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• Vessel propellers are classified as being right hand or left handA right hand propeller turns clockwise when viewed from（）.

  A . the bow B . the stem C . the port side D . the starboard side

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• Upon underwater detection, there were no apparent defects on the bottom plates, bilge keels,rudder and propeller of the said vessel. This kind of wording usually appeared on（）.

  A . ship surveyor's report B . a ship's certificate C . a cargo inspection report D . a dive survey report

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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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• 6. The words compel, compulsive, propel,expel and repel are built upon the same root “pel” which means ___________.

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• Most propellers on merchant vessels are constructed of______．

  A.manganese bronze B.cast iron C.mild steel D.improved plow steel

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• You are on a single-screw vessel with a right-handed propeller.The vessel is going full speed astern with full right rudder.The bow will swing ______.

  A.Quickly to port，then more slowly to port B.Probably to port C.Slowly to port，then quickly to starboard D.Probably to starboard

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