In bad weather, what length of chain should be used with a single anchor?
A) 3 times the depth of water B) 6 times the depth of water C) 10 times the depth of water D) 15 times the depth of water E)NULL
Arşivler Sorular
The phenomenon known as a “seiche” is most likely to occur on Lake Erie __________.?
A) during the passage of a rapidly moving warm front B) when strong winds from the Northeast suddenly diminish C) during the months of May through August D) when the Moon and Sun are in alignment E)NULL
How should you signal the crane operator to swing?
A) With both arms extended out and palms down, move arms back and forth. B) With arm extended downwards and forefinger pointing down, move hand in small horizontal circles. C) Extend arm and point finger in the direction to move…
What is NOT a requirement for the preparation of used, gasoline-propelled cars if they are to be carried as ordinary cargo and not as hazardous cargo?
A) The engine must be run until it dies from lack of fuel. B) The fuel tank must be inerted with CO2. C) The ignition key may not be in the ignition. D) The vehicle must be inspected for fuel…
The extension of the after part of the keel in a single- screw vessel upon which the stern post rests is called the __________.?
A) boss B) knuckle C) skeg D) strut E)NULL
Your vessel is proceeding along a narrow channel. The effect called bank cushion has which effect on the vessel?
A) Forces the bow away from the bank B) Forces the stern away from the bank C) Forces the entire vessel bodily away from the bank D) Decreases the draft at the bow E)NULL
You are transiting the Straits of Mackinac by way of an improved channel. You have information which indicates that the channel’s Federal project depth is 28 ft. Which of the following statements is true with regards to this channel?
A) The least depth within the limits of the channel is 28 ft. B) The design dredging depth of the channel is 28 ft. C) The channel has 28 ft. in the center but lesser depths may exist in the…
You start a centrifugal cargo pump to discharge cargo. The pump works for a while and then loses suction. This could be caused by __________.?
A) the pump running backwards B) incomplete priming C) the discharge head being too high D) All of the above E)NULL
What does the helm command “shift the rudder” mean?
A) Stop the swing of the ship. B) Shift the rudder control to the alternate steering method. C) Put the rudder over to the opposite side, the same number of degrees that it is now. D) Put the rudder amidships…
You have a tow of chemical barges. The mate reports an ammonia smell around the head of the tow. You would suspect a leak in the barge carrying __________.?
A) methyl chloride B) heptane C) propanolamine D) morpholine E)NULL