Refresher Course (Set 2)

Question 1 of 30

Which dangerous condition should be kept in mind after using a 15-pound CO2 fire extinguisher on a small oil fire on the engine room floor plates?

A

B

C

D

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Questions in this Practice Set

Q1

Which dangerous condition should be kept in mind after using a 15-pound CO2 fire extinguisher on a small oil fire on the engine room floor plates?

Q2

Which of the listed classes of fire is considered as one involving electrical equipment?

Q3

Which of the following would be considered a Class “B” fire?

Q4

If ignited, which material would be a class B fire?

Q5

Which of the listed extinguishing agents is NOT suitable for fighting a liquid paint fire?

Q6

Which extinguishing agent is most effective on a mattress fire?

Q7

The extinguishing agent most effective for combating wood fires is:

Q8

You are fighting a fire in a watertight compartment using hoses and river water. Stability may be reduced because of:

Q9

When used to fight fire, carbon dioxide:

Q10

Carbon dioxide as a firefighting agent has which advantage over other agents?

Q11

To prevent the spread of fire by convection you should:

Q12

What is NOT a characteristic of carbon dioxide fire-extinguishing agents?

Q13

Foam extinguishes a fire by:

Q14

Immediately after a class "B" fire has been extinguished by the use of foam, crewmen should:

Q15

The most likely location for a liquid cargo fire to occur on a tanker would be:

Q16

You should be most concerned about a possible explosion or fire in fuel tanks:

Q17

You have carbon tetrachloride as part of the cargo. If a fire breaks out in the general area, what is the major danger from the carbon tetrachloride?

Q18

Radiation can cause a fire to spread by:

Q19

To prevent the spread of fire by conduction, you should:

Q20

You notice smoke coming from an open laundry room doorway. After activating the fire alarm, which of the following would you do FIRST?

Q21

You are on watch at night in port and discover a fire in #1 hatch. Which action should you take FIRST?

Q22

The spreading of fire as a result of heat being carried through a vessel's ventilation system is an example of heat transfer by:

Q23

Which of the following is NOT identified on the vessel's fire control plan?

Q24

The high velocity fog tip used with the all-purpose firefighting nozzle should always be:

Q25

The most common and widely used cooling agent used for fighting fires on merchant vessels is:

Q26

The outlet at a fire hydrant may be positioned anywhere from horizontal to pointing:

Q27

The primary function(s) of an automatic sprinkler system is(are) to:

Q28

If a portable carbon dioxide fire extinguisher has been partially discharged, it should be immediately:

Q29

Which statement about firefighting foam is TRUE?

Q30

Which of the following hazards is associated with fuel oil fires?