更多"A towing vessel and her tow are sev"的相关试题:
[单项选择]If a towing vessel and her tow are severely restricted in their ability to change course，they may show lights in addition to their towing identification lights. These additional lights may be shown if the tow is（）.
A. pushed ahead
B. towed alongside
C. towed astern
D. Any of the above
[单项选择]A vessel towing where the tow prevents her from changing course shall carry（）.
A. only the lights for a vessel towing
B. only the lights for a vessel restricted in her ability to maneuver
C. the lights for a towing vessel and the lights for a vessel restricted in her ability to maneuver
D. the lights for a towing vessel and the lights for a vessel not under command
[单项选择]In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.
A. insure that the hawser leads directly aft as it passes over the stern of the towing vessel
B. increase the stability of the towing vessel by raising the hawser off the deck
C. reduce chafing of the towing hawser
D. prevent fouling of the hawser on deck gear located on the stern of the towing vessel
[单项选择]A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing? （）
A. Length of the towline
B. Height of the towline connection
C. Longitudinal position of the towline connection
D. Direction of opposing force
[单项选择]Which statement is TRUE concerning a towing vessel which，due to the nature of her work，is unable to keep out of the way of another vessel?（）
A. By day，she shall carry a black cylinder shape
B. By day，she shall carry two black balls in a vertical line
C. By night，she would show the same lights as a vessel not under command
D. By day，she would show the same shapes as a vessel restricted in her ability to maneuver
[单项选择]A towing vessel is tripped when（）.
A. it is overtaken by the tow
B. it is pulled sideways by the tow
C. the weight of the towing hawser causes loss of maneuverability
D. the propeller is fouled by the towing hawser
[单项选择]A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of（）.
A. a vessel towing by pushing ahead
B. a power-driven vessel，not towing
C. a barge being pushed ahead
D. either answer A or answer B
[单项选择]A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?（）
A. One
B. Two
C. Three
D. Four
[单项选择]You are in charge of a towing vessel that operates exclusively on inland waters. You regularly tow barges that provide services (cargo lighters，fuel barges，etc.) to foreign flag vessels in port. What will be accepted as proper credentials for you and your crew? （）
A. No credentials are required since you operate on inland waters only
B. Social Security card
C. State driver's license with photo ID
D. Merchant Mariner's Document
[单项选择]As operator of a 199 GT towing vessel sailing foreign，it shall be your duty to enter in the Official Logbook or other permanent record（）.
A. all information contained on the barge's Certificate of Inspection
B. the condition of all towing gear to be used
C. all navigational aids to be used
D. the barges load line and draft readings
[单项选择]You are Master of a towing vessel engaged in towing three barges astern.The middle barge of the tow would be required to sound which of the following during restricted visibility （）.
A. No fog signal
B. A prolonged blast at intervals never to exceed more than two minutes
C. A prolonged blast followed by two short blasts at intervals never to exceed more than two minutes
D. A prolonged blast followed by three short blasts at intervals never to exceed more than one minute
[单项选择]The owner or Master of a towing vessel shall ensure that all tests and inspections of gear take place and are logged（）.
A. when a new Master assumes command
B. daily，at 0800 local zone time
C. weekly，before 2400 Saturday
D. immediately after assuming the watch
[单项选择]The test of a towing vessel’s steering gear control system includes each item EXCEPT（）.
A. a test from the alternative power supply，if installed
B. timing the movement of the rudder from hard over to hard over
C. verification that the rudder angle indicator shows the actual position of the rudder(s)
D. visual inspection of the steering linkage
[单项选择]If you are the Master of a towing vessel whose only working radar no longer functions，what must you do?（）
A. Notify the Captain of the Port (COTP) if you cannot repair it within 96 hours
B. Notify the Officer in Charge of Marine Inspection (OCMI) if you cannot repair it within 48 hours
C. Moor the vessel until it is repaired
D. Anchor the vessel until it is repaired
[单项选择]A towing vessel’s capability is BEST measured by horsepower，bollard pull，maneuverability and（）.
A. displacement
B. stability
C. towrope pull
D. propeller design
[单项选择]A towing vessel’s fire detection system may be certified to comply with the Coast Guard’s towing vessel fire protection regulations by（）.
A. a Coast Guard inspector
B. a registered professional engineer
C. the owner or Master of the vessel
D. a licensed electrician
