RI Practice Exam - Quiz 02 of 12 6. What determines how many wearable PFDs are required on a vessel?(Required) a. length of the vessel b. ages of the persons on board c. number of persons on board d. type of waterway where vessel is operating 7. Under which condition is a person at the greatest risk of developing hypothermia?(Required) a. after being in the wind for a long time b. when deprived of liquid c. when exposed to cold air d. when immersed in cold water 8. Where is the best place to store a fire extinguisher on a boat?(Required) a. in the engine compartment b. in a locked storage compartment c. in a readily accessible location d. in a locker with the dock lines and other gear 9. What do the rating symbols on a fire extinguisher indicate? a. expiration date of the extinguisher(Required) a. expiration date of the extinguisher b. type of fire it will extinguish and relative size of extinguisher c. number of times the extinguisher can be used d. recommended frequency of inspections 10. What is the purpose of an inboard engine’s ventilation system?(Required) a. provide a flow of fresh air for the cabin area b. provide a flow of fresh air for the carburetor intake c. avoid backfiring of the carburetor d. avoid explosions by removing flammable gases Δ
