更多"Preferred channel marks are aids to"的相关试题:
[单项选择]Preferred channel marks are colored with（）．
A. black and green bands
B. red and green bands
C. red and yellow bands
D. yellow and green bands
[单项选择]When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.
A. the shape of an unlighted buoy
B. the light color of a lighted buoy
C. the color of the topmost band
D. whether the number is odd or even
[单项选择]The abandon ship signal sounded by the vessels whistle is （）.
A. 6 short blasts and 1 long blast
B. long blast mare than 6 short blasts
C. more than 6 short blasts and 1 long blast
D. 1 long blast of at least 10 seconds
[单项选择]Lines passed around the falls to hold the boat while passengers are boarding are（）.
A. life lines
B. frapping lines
C. tricing lines
D. tripping lines
[单项选择]As compared to carbon dioxide，dry chemical has which advantage?（）
A. Cleaner
B. Effective on metal fires
C. Greater range
D. More cooling effect
[单项选择]One of the factors limiting the amount of load which can be put on a modern marine diesel engine is the （）
A. governor sensitivity
B. exhaust temperature
C. fuel injection pressure
D. speed of the can shaft
[单项选择]When received the order "finished with engine" which of the following operations is wrong?（）
A. stop the LO pump, SW pump, FW pump
B. stop the priming FO transfer pump
C. engage the turning gear
D. open the scavenge air belts drain valve and cover the turbocharger silencer with the dustproof cover
[单项选择]Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
A. Bow breast line
B. Bow spring line
C. Inshore head line
D. Offshore head line
[单项选择]Each Class A EPIRB shall be stowed in a manner which will permit（）.
A. easy access to its storage compartment
B. replacement of the battery without exposure to the weather
C. it to float free if the vessel sinks
D. it to remain attached to the vessel
[单项选择]CO2 cylinders，which protect the small space in which they are stored must（）.
A. NOT contain more than 200 pounds of CO2
B. be automatically operated by a heat actuator
C. have an audible alarm
D. All of the above
[单项选择]Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.
A. Each vessel should show sidelights
B. Each vessel should show at least one white light
C. The barges should be lighted as separate units
D. The barges should be lighted as one vessel
[单项选择]The bore of each cylinder is formed in a liner which can be （） when worn out.
A. welded
B. replaced
C. drilled again
D. bored
[单项选择]A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should（）.
A. remain on course and hold speed
B. remain on course but slack the speed
C. change course to put the wind on either beam and increase speed
D. change course and put the stern to the wind
[单项选择]（） systems are provided with a stand-by device which will automatically be put in use in the even of the running device failing through a fault condition.
A. Alarm
B. Monitoring
C. Auto start-up
D. None of the above
[单项选择]Dring a period of “whiteout”，you should expect which of the following（）.
A. Snowfall or blowing snow
B. Lack of ability to estimate distance
C. Harsh contrast between sun-illuminated snow cover and the background
D. Hazy horizons with extensive mirage effects
