单选题How do the height and location of a tug’s towing bitts relate to the danger of tripping?（）AThe further forward and closer to amidships the more readily the tug will tripBPlacement further aft permits more effective pulling，better steering and eliminates the danger of trippingCInstalling the bitts down low lowers the center of gravityDThe height and position of towing bitts has no significance
单选题
How do the height and location of a tug’s towing bitts relate to the danger of tripping?（）
A
The further forward and closer to amidships the more readily the tug will trip
B
Placement further aft permits more effective pulling，better steering and eliminates the danger of tripping
C
Installing the bitts down low lowers the center of gravity
D
The height and position of towing bitts has no significance
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Before leaving port on an ocean tow，a tug captain should assure himself of all the following EXCEPT ______.A.the towing hawser can be released quickly in an emergencyB.the correct navigation lights are rigged and operable on the tug and towC.an insurance underwriter has prepared a pre-sailing surveyD.a pick-up wire has been rigged on the tow in case of a breakaway.
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 towB.towing on a hawserC.towing alongside and parallel to the vessel it is towingD.towing on the hip
How are you，Bob？—greetings/How do you do？Hello!Hi!What’s up？（）TedAHow are you？BI’m fine.Thank you.CHow do you do？DNice to mee tyou.
How are you，Bob？—greetings/How do you do？Hello!Hi!What’s up？（）TedA、How are you？B、I’m fine.Thank you.C、How do you do？D、Nice to mee tyou.
单选题A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when（）.Adirectly astern and pushing the towBtowing on a hawserCtowing alongside and parallel to the vessel it is towingDtowing on the hip
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