A tug is “in irons” when held in a fixed position by（）

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• A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when（）.

  A . directly astern and pushing the tow B . towing on a hawser C . towing alongside and parallel to the vessel it is towing D . towing on the hi

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• When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?（）

  A、On the chart B、Coast Pilot C、Light List D、Notice to Mariners

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• A tug is approaching a broken down steamer in moderately heavy weather preparing to take it in tow. In most cases the（）.

  A . steamer will drift stern downwind B . tug will drift faster than the steamer C . tug should approach stern to D . tug should approach from downwind

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• When a vessel is stationary and in a hogging condition，the main deck is under（）.

  A . compression stress B . tension stress C . shear stress D . racking stre

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• When a boiler is operating, the water level in the gauge glass reads （） when the boiler is shut down.

  A . lower than B . higher than C . as much as D . the same a

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• Delay due to port congestion，pilots，tugs not available is a：（）

  A . Contingency； B . Emergency； C . A or B； D . not A nor B.

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• A tug would NOT assist a ship to steer if the tug is made up to the large vessel（）.

  A . by a tow line ahead of the vessel B . forward on either bow of the vessel C . approximately amidships of the vessel D . on the vessel's quarter

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• Refer to the exhibit. The network has been configured with H.323 gateways and gatekeepers as shown. Which statement is true when a call is placed？（）https://assets.asklib.com/images/image2/2018072416330097077.jpg

  A . A gatekeeper is contacted to determine the correct local gateway to use. B . A gateway will receive the call and forward a call request to the local gatekeeper. C . A gateway will receive the call and forward a call request to the gatekeeper on the other side of the WAN D . A gatekeeper will receive the call and forward a call request to the remote gateway.

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• A vessel is “listed” when it is（）.

  A . down by the head B . down by the stern C . inclined due to off-center weight D . inclined due to wind

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• A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is （）.

  A . from the ship's propeller when making up aft B . from being overrun if making up forward C . hull damage while alongside passing a hawser D . getting in a tripping positio

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• Which two statements are true when when a Coherence cluster member is lost ？ （）

  A .  Remaining members recover by repartitioning the data across the remainig cluster members in parallel with normal request processing B .  Some latencies may be experienced due to higher priority of recovery C .  In flight operations may be lost D .  A system administrator must manually assist recovery of the lost data

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• In a river subject to tidal currents，the best time to dock a ship without the assistance of tugs is（）.

  A . at high water B . when there is a following current C . at slack water D . at flood

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• The condition where a ship on the end of a tow line is riding a wave crest at the same time as its tug rides a wave crest is known as riding in（）.

  A . synchronism B . harmony C . check D . ste

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• A tug is towing three manned barges in line in fog. The first vessel of the tow should sound （）.

  A . no fog signal B . one short blast C . one prolonged and three short blasts D . one prolonged，one short，and one prolonged blast

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• You are under sail and overtaking a tug and tow.Which action is correct（）.

  A . The power-driven tug must maneuver to avoid collision B . You must maneuver to avoid the tug and tow C . You must maneuver to avoid collision only if the tug is to leeward and the wind is on your port side D . Both vessels are required to maneuver to avoid collisio

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• A vessel is wind rode when it is（）.

  A . at anchor and heading into the wind B . backing into the wind C . carrying lee rudder D . necessary to apply a leeway correction to the course

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• What is NOT a problem when carrying coal? （）

  A . The requirement for through-ventilation B . The corrosion some types of coal will cause to the ship C . Spontaneous heating D . Generation of methane ga

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• A towing vessel is tripped when（）.

  A . it is overtaken by the tow B . it is pulled sideways by the tow C . the weight of the towing hawser causes loss of maneuverability D . the propeller is fouled by the towing hawser

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• Yellow is the color people use when saying someone is a coward.

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• When a page is sent, there is usually a “beep”.

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• It is impolite to _____ a speaker when he is making a speech.

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• Which is a potential hazard when operate a machine tool?

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• 117. A vessel is listed when it is ___

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• When a science is becoming more advanced,

  A．there will be clearer difference among the sciences of various countries. B．there will be more scientists compete with each other. C．people will increasingly believe in science. D．more people will agree on its basic concepts.

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