After taking the quiz, you can post your answers or comments on Fire Talk.

1. Why is it a good idea to keep several firefighters in the street when you investigate an odor of smoke?
Answer: You can become desensitized to an odor over time. When this happens, you should call in a fresh nose (a firefighter waiting outside) or you should go outside in fresh air for a while. This will allow you to again detect the odor when you return into the building.

2. Hemoglobin has an affinity that is between _____ and _____ times greater for carbon monoxide than it is for oxygen. Fill in the Blanks.
Answer: …between 200 and 270 times greater…

3 .True or false. Oilburner smoke from a puffback is usually cool and easy to breathe. SCBA is not needed.
Answer: False. It contains carcinogens from which you must protect yourself.

4. True or false: It is necessary for a gas to fill an entire room before a combustion explosion can take place.
Answer: False. It can collect in only a portion of the enclosure and still result in a combustion explosion.

5.Which of the following statements is incorrect?
A. If you can't shut down the water to the apartment or line of apartments, you may have to shut down the house main, stopping the flow of water to the entire building.
B. Shutting the house main will immediately stop the flow of water.
C. Shutting the water supply will slow the leak.
D. Position a radio equipped firefighter at the leak to inform the firefighter at the valve when the water flow slows down.
Answer: C - It may take time for the water to stop flowing if the leak is on the lower floor of a multistory building.

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