航海英语(甲类船长)航行技术单选题练习1

You are anchoring in a river where the current is from one direction only．The best way to lay out two anchors is to have them ______．

Which statement is TRUE concerning equatorial tides ________．

Which statement is TRUE concerning apogean tides ________．

A wave entering ______ is likely to produce bores．

Tides are superimposed on nontidal rising and falling water levels，caused by ______．

Which of the following are data layer categories to be displayed on ECDIS ________．

______ is not a type of tide．

Which statement concerning current is TRUE ________．

Which buoy will NOT display white retro reflective material ________．

When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation ________．

The recording fathometer produces a graphic record of the ______．

______ is not likely to be a methods of Traffic Separation．

In very high latitudes，the most practical chart projection is the ______．

When one upbound vessel is overtaking another vessel and both are pushing a tow ahead，what reaction may you expect ________．

When making landfall at night，the light from a powerful lighthouse may sometimes be seen before the lantern breaks the horizon．This light is called the ______．

You are heading into the sea during rough weather．Having too much weight forward can cause your small boat to ______．

You are doing a Williamson turn．Your vessel has swung about 60° from the original course heading．You should ______．

You are in the process of adding a barge to your tow．A line run from your power capstan and around timber heads on your tow is made fast on the new barge so that it can be pulled into position．This line is called a ______．

With a large tow astern，there is immediate danger to the tug in the event of the ______．

The ______ is used when a ship is moving forward at very slow speed due to minimal water flow over the rudder and the ship is not responding to helm．

Your vessel is being assisted through an ice field in Thunder Bay by the Canadian Coast Guard icebreaker Alexander Henry．The starboard lookout reports that the icebreaker has run up the code flag N（November）．What action should you take ________．

Your vessel is crossing a narrow channel．A vessel to port is within the channel and crossing your course．She is showing a black cylinder．What is your responsibility ________．

Your vessel is proceeding down a channel，and you see a pair of range lights that are in line dead ahead．The chart indicates that the direction of this pair of lights is 229°T，and variation is 6°W．If the heading of your vessel at the time of the sighting is 232°per standard magnetic compass，what is the correct deviation ________．

Which type of ice is a hazard to navigation ________．

You are on an ice-reinforced vessel about to enter packice．You should ______．

Which statement about ships operating in ice is FALSE ________．

Which barge in your tow would require a cargo information card to be carried in the pilothouse ________．

The following conditions，except ______，require that vessels be towed through the entire Canal．

The maximum beam for commercial or non-commercial vessels and the integrated tug-barge combination acceptable for regular transit of Panama Canal is measured ______．

When operating in an area where sea ice and icebergs are present，which statement is TRUE ________．

The amount of LFG that may be loaded into a given tank is determined by ______．

In ice of higher concentrations ______ is not one of the basic applying rules．

______ is the most common cause of ice formation．

You are steaming in a westerly direction along the Gulf Coast．You see ahead of you a lighted buoy showing a red isophase light．Which action should you take ________．

You are sailing south on the Intracoastal Waterway（ICW）when you sight a green can buoy with a yellow square painted on it．Which of the following is TRUE ________．

You are running parallel to the coast and take a running fix using bearings of the same object．If you are making less speed than used for the running fix，in relation to the position indicated by the fix，you will be ______．

You are running parallel to the coast and estimate that the current is against you．In plotting a running fix using bearings from the same object on the coast，the greatest safety margin from inshore dangers will result if what speed is used to determine _______．

Which nautical charts are intended for coastwise navigation outside of outlying reefs and shoals ________．

You are making tow．A loaded，open-hopper barge with independent tanks has placards，with alternating red and white quadrants，located at each side and end．You inspect the barge and find slight traces of water in the wing voids due to condensation．What should you do?

You are entering an east coast port and see a buoy with a yellow triangle painted on it．This indicates ______．

Which effect does speed through the water have on a vessel which is underway in shallow water ________．

When attempting an upstream landing while pushing empty barges ahead in a hard onshore wind，the approach is best made ______．

______ is not a type of IALA maritime buoyage system．

In the absence of a route leading from seaward，the conventional direction of buoyage generally follows ______．

You are proceeding down a channel and lose the engine（s）．You must use the anchors to stop the ship．Which statement is true ________．

You are planning to anchor in an area where several anchors have been lost due to fouling．As a precaution，you should ______．

You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn．If you observe the buoy moving aft relative to you，what should you do ________．

You are entering port and have been instructed to anchor，as your berth is not yet available．You are on a SW'ly heading，preparing to drop anchor，when you observe the range lights as shown on your starboard beam．You should ______．

You are docking a vessel in a slip which has its entrance athwart the tide．You land the ship across the end of the pier，stemming the tide，preparatory to breaking the ship around the corner．You have one tug to assist．Where would you generally tie up the tug ________．

You are anchoring in 16 fathoms of water．On a small to medium size vessel，the ______．

You are approaching the pilot station with the wind fine on the starboard bow and making about 3 knots．You can help to calm the seas by taking what action just before the pilot boat comes along on the port side ________．

When weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating ________．

When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）______．

When turning a ship in restricted space with a strong wind，it is normally best to ______．

Wale shores would be used when drydocking a vessel with ______．

What effect is achieved from soaking an anchor ________．

The lockmaster has given you permission to tie off on the lower guide wall to wait your turn to lock through．What should you be most concerned with ________．

The safest device used to secure the end of the pendant wire when it is initially passed to the anchor handling vessel is a ______．

The ship ______ on a low rock was broken in two by the waves．

The centre of lateral resistance is ______．

The length of chain between the anchor and the end of the pendant line is called the ______．

All the following is true except that ______．

That ______ is not caused by shallow water．

A ship will always want to settle into a position where ______．

A check line is ______．