相关题目
50. *The lifebuoy intended to operate the quick release arrangement provided for the self-activated smoke signals and self-igniting lights, have a mass of not less than () kg.
49. Every lifebuoy shall be fitted with grab lines and well secured at () providing four loops of line.
48. *The device on above picture is ().
47. *An immersion suit must be equipped with a( ) ().
46. According to IMO regulations, () shall be posted outside lifeboat?
45. *On the picture, the white arrow points to the () of the lifejacket.
44. Of the following which one is not needed in a lifeboat?
43. () is required to be carried in lifeboat but not in liferaft.
42. Which signal of the followings is not provided with onboard lifeboat?
41. Which of the followings are personal life-saving appliances? ① lifeboats; ② liferafts; ③ lifebuoys; ④lifejackets; ⑤ immersion suits
