STCW Training Basic Firefighting
Questions and Solutions
What are the 3 kinds of fire detection systems? - Answer - ✔✔1. Detectors
2. Receivers
3 Indicators
Detectors talk to receivers, which talks to indicators.
Receivers and indicators are not typically found in homes.
What are 3 kinds of fire detectors? - Answer - ✔✔1. Smoke
2. Heat
3. Flame
What are 3 types of smoke detectors? - Answer - ✔✔1. Protoelectric Cell - Particles of
smoke break a beam of light
2. Ionization Chamber - Radioactive isotope reacts with smoke particles
3. Combination - photoelectric cell/ionization chamber
What are the 2 kinds of heat detectors? - Answer - ✔✔1. Fixed temperature:
Temperature is at a predetermined level.
- These are usually found in coolers or engine rooms where the temperature stays the
same
2. Rate-of-Rise: measures a rapid increase in temperature
How does a flame detector work? - Answer - ✔✔By detecting the flames UV light
What are 8 kinds of fire extinguishing agents? - Answer - ✔✔1. Water
2. Steam
3. Foam
4. CO2
5. Dry Chemical
6. Dry Powder
7. Halon
8. Wet chemical
What are the two kinds of dry chemicals? - Answer - ✔✔Ordinary: Used to put out class
B and C fires
Multi-purpose: Used to put out A, B, and C fires
, What is a class A fire? What extinguishing agents put out a class A fire? - Answer -
✔✔Common Combustibles (wood, paper, trash, cloth)
Extinguishing Agents:
1. Water
2. Dry Chemical ABC
3. Wet Chemical
4. Steam
What is a class B fire? What extinguishing agents are used to put out Class B fires? -
Answer - ✔✔Combustible liquids, gasses or petroleum grease. (Gasoline, diesel fuel)
1. Foam
2. CO2
3. Dry Chemical ABC
4. Dry Chemical BC
5. Halon or Halon Alternatives
6. Steam
What is a class C fire? What extinguishing agents are used to put out Class C fires? -
Answer - ✔✔energized electrical equipment
1. CO2
2. Dry Chemical BC
3. Dry Chemical ABC
4. Halon or Halon Alternatives
What is a class D fire? What extinguishing agents are used to put out Class D fires? -
Answer - ✔✔combustible metals (lithium, magnesium, potassium, and sodium)
1. Dry Power
What is a class K fire? What extinguishing agents are used to put out Class K fires? -
Answer - ✔✔Kitchen fires (animal and vegetable oils found in the galley)
1. Wet Chemical
What are the 4 extinguishing methods? - Answer - ✔✔1. Cooling
2. Smothering
3. Chain Breaking
4. Fuel Removed
Water is a ______________ method. - Answer - ✔✔Cooling
CO2 is a _______________ method. - Answer - ✔✔smothering
Questions and Solutions
What are the 3 kinds of fire detection systems? - Answer - ✔✔1. Detectors
2. Receivers
3 Indicators
Detectors talk to receivers, which talks to indicators.
Receivers and indicators are not typically found in homes.
What are 3 kinds of fire detectors? - Answer - ✔✔1. Smoke
2. Heat
3. Flame
What are 3 types of smoke detectors? - Answer - ✔✔1. Protoelectric Cell - Particles of
smoke break a beam of light
2. Ionization Chamber - Radioactive isotope reacts with smoke particles
3. Combination - photoelectric cell/ionization chamber
What are the 2 kinds of heat detectors? - Answer - ✔✔1. Fixed temperature:
Temperature is at a predetermined level.
- These are usually found in coolers or engine rooms where the temperature stays the
same
2. Rate-of-Rise: measures a rapid increase in temperature
How does a flame detector work? - Answer - ✔✔By detecting the flames UV light
What are 8 kinds of fire extinguishing agents? - Answer - ✔✔1. Water
2. Steam
3. Foam
4. CO2
5. Dry Chemical
6. Dry Powder
7. Halon
8. Wet chemical
What are the two kinds of dry chemicals? - Answer - ✔✔Ordinary: Used to put out class
B and C fires
Multi-purpose: Used to put out A, B, and C fires
, What is a class A fire? What extinguishing agents put out a class A fire? - Answer -
✔✔Common Combustibles (wood, paper, trash, cloth)
Extinguishing Agents:
1. Water
2. Dry Chemical ABC
3. Wet Chemical
4. Steam
What is a class B fire? What extinguishing agents are used to put out Class B fires? -
Answer - ✔✔Combustible liquids, gasses or petroleum grease. (Gasoline, diesel fuel)
1. Foam
2. CO2
3. Dry Chemical ABC
4. Dry Chemical BC
5. Halon or Halon Alternatives
6. Steam
What is a class C fire? What extinguishing agents are used to put out Class C fires? -
Answer - ✔✔energized electrical equipment
1. CO2
2. Dry Chemical BC
3. Dry Chemical ABC
4. Halon or Halon Alternatives
What is a class D fire? What extinguishing agents are used to put out Class D fires? -
Answer - ✔✔combustible metals (lithium, magnesium, potassium, and sodium)
1. Dry Power
What is a class K fire? What extinguishing agents are used to put out Class K fires? -
Answer - ✔✔Kitchen fires (animal and vegetable oils found in the galley)
1. Wet Chemical
What are the 4 extinguishing methods? - Answer - ✔✔1. Cooling
2. Smothering
3. Chain Breaking
4. Fuel Removed
Water is a ______________ method. - Answer - ✔✔Cooling
CO2 is a _______________ method. - Answer - ✔✔smothering
