Self-Test A-5.3: Apply Preventive Fire Safety Precautions

Complete Self-Test A-5.3 and check your answers.

1. When might you require a hot work permit?
   1. Working on hot materials
   2. Doing any welding or cutting
   3. Handling explosive chemicals
   4. Doing welding or cutting in areas with combustible materials
2. When the hot work is completed all personnel must exit the area immediately.
   1. True
   2. False
3. What material characteristic affects the maximum quantities of flammable materials stored?
   1. Latent heat
   2. Specific heat
   3. Lower explosive limit
   4. Flashpoint temperature
4. What precaution should be taken when removing a vehicle battery?
   1. Cut the red wire
   2. Remove supply wire first
   3. Remove ground wire first
   4. Remove both wires simultaneously
5. What is another name for temporary construction heaters?
   1. Ducted heaters
   2. Electric heaters
   3. Space heaters
   4. Radiant heaters
6. Which of the following are mixtures of hydrocarbons?
   1. Hydrocarbon and oxygen
   2. Ethanol and diesel
   3. Diesel and gasoline
   4. Propane and acetylene

Answer Key: Self-Test A-5.3 is on the other page.