Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR

USCG Safety & Environmental Protection (Deck) (Set 27)

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Question 1 of 30

If a firefighting situation calls for low-velocity fog you would __________.

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30 MCQs

#1 If a firefighting situation calls for low-velocity fog you would __________. #2 The 12-foot low-velocity fog applicator __________. #3 To get low-velocity fog from an all-purpose nozzle, you would __________. #4 The all-purpose nozzle will produce a fog spray when you __________. #5 With an approved combination nozzle, low-velocity fog is produced by __________. #6 One advantage of the "all-purpose nozzle" is that it __________. #7 On the all-purpose nozzle, the position of the valve when the handle is all the way forward is __________. #8 When the handle of an all-purpose nozzle is in the forward position, the nozzle will __________. #9 When the handle of an all-purpose nozzle is in the vertical position and without an applicator, the all-purpose nozzle will __________. #10 When the handle of an all-purpose nozzle is pulled all the way back, it will __________. #11 A combination or all-purpose nozzle produces __________. #12 The high-velocity fog tip used with the all-purpose fire fighting nozzle should always be __________. #13 The straight stream capability of an all-purpose nozzle is used in fighting a class A fire to __________. #14 The international shore connection __________. #15 What is the function of the bypass valve on the self-contained breathing apparatus? #16 When the alarm bell sounds on a positive-pressure, self-contained breathing apparatus, how long will reserve air supply last? #17 The function of the bypass valve on the self-contained breathing apparatus is to __________. #18 You are in a tank wearing the self-contained breathing apparatus and you desire to return topside. How many tugs of the lifeline mean to take up the slack? #19 A self-contained breathing apparatus is used to __________. #20 To safely enter a compartment where CO2 has been released from a fixed extinguishing system, you should __________. #21 After putting on a self-contained breathing apparatus, you open the air supply and hear a continuous ringing of a bell. What does this mean? #22 When the bypass valve of a self-contained breathing apparatus is opened, the mainline valve should be __________. #23 When the bypass valve of a self-contained breathing device is opened, the air flows __________. #24 When the mainline valve of a self-contained breathing apparatus is open, the bypass valve should be __________. #25 The bypass valve on a self-contained breathing device should be opened if __________. #26 The rated operating time of a self-contained breathing device may be reduced in actual use because of __________. #27 The self-contained breathing device should not be used in which situation? #28 Where on your vessel shall the recharge for each self-contained breathing apparatus be carried? #29 A 2,000 GT tankship is required to carry __________. #30 You are tending the lifeline of a person who has entered a compartment wearing a breathing apparatus. How many tugs of the lifeline mean "Are you all right"?

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