更多"When towing astern，increased catena"的相关试题:
[单项选择]A chain bridle is used when towing astern because it（）.
A. Is easy to connect
B. Provides an effective catenary and absorbs shock due to its weight
C. Makes rigging a swivel unnecessary
D. Prevents the tow from yawing by the drag of the chains in a seaway
[单项选择]When towing astern what equipment should be stowed ready for use near the towline?（）
A. First aid kit
B. Axe or cutting torch
C. Fire extinguisher
D. Chafing gear
[单项选择]A power-driven vessel，when towing astern，shall show（）.
A. two towing lights in a vertical line
B. a towing light in a vertical line above the sternlight
C. two towing lights in addition to the sternlight
D. a small white light in lieu of the sternlight
[单项选择]When towing astern，one way to reduce yawing of the tow is to（）.
A. trim the tow by the stern
B. trim the tow by the head
C. have the tow on an even keel
D. list the tow on the side it is yawing
[单项选择]A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit（）.
A. the masthead lights for a towing vessel
B. the lights for a vessel restricted in its ability to maneuver
C. sidelights，sternlight and towing light
D. All of the above
[单项选择]You have been towing astern and have just let go the tow.Your deckhands are pulling in and faking the towline by hand on the stern.The most dangerous action to take is to（）.
A. continue ahead at slow speed
B. continue ahead at half speed
C. stop your engines
D. back down on your engines
[单项选择]To reduce stress on the towing hawser when towing astern (ocean tow)，the hawser should be （）.
A. secured to the aftermost fitting on the towing vessel
B. just touching the water
C. underwater
D. as short as possible
[单项选择]A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show （）.
A. three masthead lights in a vertical line instead of either the forward or after masthead light
B. two masthead lights in a vertical line instead of either the forward or after masthead lights
C. two towing lights in a vertical line at the stern
D. a small white light aft of the funnel
[单项选择]A vessel towing a barge astern would show，at the stern（）.
A. only a stern light
B. a towing light above the stern light
C. two towing lights in a vertical line
D. two white lights in a vertical line
[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 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]When viewed from astern, if the propeller revolves in a clockwise direction when going ahead, it is known as （）.
A. ahead direction
B. astern direction
C. right-handed
D. left-handed
[单项选择]The biggest problem encountered when towing bridle legs are too short is（）.
A. retrieval
B. adjusting tension
C. excessive strain
D. hookup to main towline
[单项选择]For safety reasons，when assistance towing（）.
A. the disabled vessel should be towed to the nearest port
B. the disabled vessel should be inspected for flammable gases
C. passengers should always be removed from the disabled vessel
D. personnel on the disabled vessel should don PFD's
[单项选择]A power driven vessel when towing and the length of the tow exceeds 200 meters shall exhibit during daylight hours where they can best be seen which of the following shapes? （）
A. a diamond shape
B. two cones，apexes together
C. a black ball
D. one cone，apex upward
[单项选择]When towing，what is the main reason for using a chain bridle on a wire hawser（）.
A. It makes for an easy connection
B. It gives a spring effect to cushion the shock
C. It eliminates the necessity of a swivel
D. It does not chafe
