更多"For safety reasons，when assistance "的相关试题:
[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]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]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 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 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]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 astern，increased catenary will（）.
A. increase control of the tow
B. prevent the towing vessel from going in irons
C. make the towing vessel less maneuverable
D. reduce shock stress on the towing hawser
[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]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
[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 in an open seaway，it is important to use a towing line（）.
A. made only of wire rope，due to possible weather conditions
B. that will have the tow on a crest while your vessel is in a trough
C. that will have the tow on a crest while your vessel is on a crest
D. with little dip to gain maximum control of the tow
[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]A towing light（）.
A. flashes at regular intervals of 50-70 flashes per minute
B. is yellow in color
C. shows an unbroken light over an arc of the horizon of not less than 180°nor more than 225°
D. All of the above
[单项选择]Fire protection regulations for towing vessels require all crew members to know how to perform each of these tasks EXCEPT（）.
A. start the mechanical ventilation system for the engine room
B. operate the fuel shut-off for the engine room
C. operate all fire extinguishing equipment aboard the vessel on board the vessel，including starting the fire pump
D. All of the above
[单项选择]Fire protection regulations for towing vessels allow all of these types of fuel piping，EXCEPT（）.
A. steel
B. aluminum in an aluminum-hulled vessel
C. schedule 80 fire resistant plastic pipe
D. nickel-copper，copper-nickel or annealed copper
