35. When you navigate pipelines, which of the following garbage is always prohibited to be disposed into the sea

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  A . toward the inside of the bend B . toward the outside of the bend C . toward the center of the river just before the bend，then change course for the river's center after the bend D . in the river's center

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• I can not take any actions to avoid close quarters situation with you，because your navigation lights（）.

  A . is not visible B . are not invisible C . are not visible D . can easily be see

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• If you wished to transmit a message by voice concerning the safety of navigation，you would preface it by the word（）.

  A . Mayday B . Pan-pan C . Securite D . Safety

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• When navigating in thick fog with the radar on，you should（）.

  A . station the look-out in the wheelhouse to keep a continuous watch on the radar B . secure the sounding of fog signals until a vessel closes within five miles C . station a look-out as low down and far forward as possible D . keep the radar on the shortest available range for early detection of approaching vessel

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• When installed for bilge pumping or ballast duty, centrifugal pumps require a （） to remove air from the suction pipe.

  A . air chamber B . head lank C . primer D . prime mover

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• You want to use WLST to view metrics for a running domain. Which command should you issue to navigate through the Mbean hierarchy containing the metrics?（）

  A . runtime ()   B . runtimeMbeanServer () C . connectRuntime () D . beginRuntime () E . serverRuntime ()

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• When using the radar for navigating（）.

  A . the best fix is obtained by using a tangent bearing and a range B . and using two radar ranges for a fix，the objects of the ranges should be close to reciprocal bearings C . and using ranges，the most rapidly changing range should be measured last D . and crossing a radar range of one object with the visual bearing of a second object，the two objects should be 80°to 110°apart

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• When ship navigating in rough sea, the correct operation is （）

  A . navigating with a low diesel engine speed B . navigating with a stable diesel engine speed C . increasing the efficiency of propeller D . increasing fuel injectio

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• You need to change the text of a pop-up menu that appears when a user right clicks the mouse in the EMP_DATA data block. Where could you find the node for the pop-up menu in the Object Navigator?（）

  A . Built-in Packages  B . Menus  C . PL/SQL Libraries  D . Object Libraries  E . Form Module

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• Before dismantling the pipe, would you （）the oil retained in the hose with （）?

  A . flash；fresh air B . wash；fresh water C . flush；compressed air D . rush；diesel oil

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• “Before disconnecting the oil pipe, would you flush the oil retained in the pipe?” asked the oil barge owner （）

  A . by using of fresh water B . with compressed air C . by using of sea water D . with chemical compound

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• You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel.You should（）.

  A、cross the channel as you are the stand-on vessel B、cross only if the vessel in the channel is approaching on your port side C、not cross the channel if you might impede the other vessel D、sound the danger signal

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• When fire pumps are used for other than firefighting service，each pipe connecting the other service (except for branch lines used for deck washing) must have a（）.

  A . check valve installed in the line B . shut off valve at a manifold near the pump C . quick disconnect union within ten feet of the pump D . regulator in the line set at 125 psi

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• When navigating in high latitudes and using a chart based on a Lambert conformal projection，（）.

  A、a straight line drawn on the chart approximates a great circle B、the chart should not be used outside of the standard parallels C、the course angle is measured at the mid-longitude of the track line D、Distance cannot be measured directly from the chart

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• Which factor must be considered when determining the order of loading of dissimilar products through the same piping system aboard a tanker? （）

  A . Contamination of the cargo B . Flash points C . Reid vapor pressures D . Specific gravitie

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• In the piping systems of a vessel，what type of valve gives the least resistance to fluid flow when fully open?（）.

  A . Globe valve B . Butterfly valve C . Gate valve D . Packless valve

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• When ship navigating in rough sea, the first measure taken by the chief engineer to prevent the overload should be（）

  A . cleaning fuel oil, lubricating oil and seawater filter B . reducing fuel feeding of the main engine appropriately or reducing the pitch angle of propeller C . using low sea chest D . closing the skylight and the ventilation opening, which doesn’t affect the normal work of equipment

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• When navigating a vessel，you（）.

  A . Can always rely on a buoy to be on station B . Can always rely on a buoy to show proper light characteristics C . Should assume a wreck buoy is directly over the wreck D . Should never rely on a floating aid to maintain its exact positio

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• When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of（）.

  A . 10 meters B . 20 meters C . 50 meters D . 100 meter

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• The load limitation of governor should be reduced when ship navigating at sea, the main reason is to（）

  A . prevent the diesel engine surging B . prevent governor from being damaged because of swing C . reduce the probability of the crank shaft being torsional vibrated and resonated D . prevent the main engine being overload or overspeed

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• When a vessel navigates in an area with a small underkeel clearance but with adequate space to take avoiding action she（）.

  A . should not be regarded as a vessel constrained by her draught B . should be regarded as a vessel constrained by her draught C . shall be regarded as a vessel restricted in her ability to maneuver D . should be regarded as a non-displacement vessel

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• 152. When navigating in high latitudes and using a chart based on a Lambert conformal projection , ______

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• 当输气管的Re＞Re2时，为阻力平方区When Re＞Re2 of the gas pipe, is the resistance square area； 当输气管的Re1＜re＜re2时，为混合摩擦区when of the gas pipe, it is mixed friction zone； hydraulic smooth＞

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