更多"The signal given to commence loweri"的相关试题:
[单项选择]Prior to lowering the lifeboat，the most important item to check is the（）.
A. oars
B. sail
C. boat plug
D. life preservers
[单项选择]The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.
A. limit switches
B. emergency disconnect switch
C. governor brake
D. position of the counterweight on the brake handle
[单项选择]A lifeboat is weight tested by lowering to near the waterand loading to capacity with weight evenly distributed. Itis then lowered into the water and released. This test mustbe done at least once every（）.
A. 6 months
B. 12 months
C. 18 months
D. 24 months
[单项选择]In an open lifeboat，the lifeboat compass is usually（）.
A. placed in a fixed bracket when being used
B. clamped to any position convenient for the coxswain to see it
C. permanently mounted on the lifeboat's centerline
D. mounted in the center of the boat to eliminate deviation
[单项选择]Lifeboat hatchets should be（）.
A. kept in a locker
B. secured at each end of the boat with a lanyard
C. kept next to the boat coxswain
D. kept in the emergency locker on the ship and brought to the lifeboat when needed
[单项选择]Which statement is TRUE concerning lifeboat gripes?（）
A. They must be released by freeing a safety shackle
B. They should not be released until the boat is in lowering position
C. They may be adjusted by a turnbuckle
D. They are normally used only with radial davits
[单项选择]The lifeboat is constructed of（）
A. totally enclosed
B. glass-reinforced plastic
C. self-righting
D. powered
[单项选择]Number 3 lifeboat would be（）.
A. the forward boat on the starboard side
B. behind boat number 1 on the port side
C. behind boat number 1 on the starboard side
D. behind boat number 2 on the port side
[单项选择]The number of flashlights required as lifeboat equipment on a seagoing barge is（）.
A. none
B. one
C. two
D. three
[单项选择]According to the relevant regulation, lifeboat should be powered by（）.
A. inboard diesel engine
B. outboard diesel engine
C. outboard gasoline engine
D. inboard gasoline engine
[单项选择]The lifeboat releasing gear lever should be marked with the words（）.
A. DANGER，DO NOT TOUCH
B. DANGER，BOAT MAY DROP
C. DANGER，LEVER RELEASES BOAT
D. DANGER，LEVER DROPS BOAT
[单项选择]Preventer bars are fitted on lifeboat releasing hooks to prevent（）.
A. the falls from unhooking if the releasing gear is operated accidentally while the boat is being lowered
B. operation of the release lever until the boat is waterborne
C. the falls from rehooking after they have been released
D. accidental unhooking when the falls become slack
[单项选择]All personnel should be familiar with the lifeboats （）
A. boarding and operating procedures
B. maintenance schedule
C. navigational systems
D. fuel consumption rates
[单项选择]The person assigned to command a lifeboat or inflatable liferaft on a ship shall have a list of the persons assigned to the lifeboat or liferaft. The list shall include each person’s（）.
A. home address
B. duties
C. home phone number
D. nearest relative's address
[单项选择]On a lifeboat equipped with Rottmer-type releasing gear，turning the releasing lever releases（）.
A. the painter
B. the after boat fall only if the boat is waterborne
C. both falls at the same time only if the boat is waterborne
D. both falls at the same time even if the boat has not reached the water
[单项选择]In painting a lifeboat following its overhaul，which parts must be painted bright red?（）
A. the top 2-1/2 inches of each side
B. the releasing gear lever
C. the fuel tanks
D. the thwarts
[单项选择]A flooded lifeboat on board a vessel would adversely affect the vessel’s stability by（）.
A. increasing the righting moment
B. decreasing the vessel's displacement
C. increasing the reserve buoyancy
D. shifting the CG (center of gravity) off center
[单项选择]In order for the automatic lifeboat drain to operate properly（）.
A. the cap should be removed to drain the boat when it is waterborne
B. the cage must be free of rubbish or the ball may not seat properly
C. there is an automatic ball check located in a siphon tube
D. the small lever to release the rubber ball float must be turned counterclockwise
