Chapter 12 Flashcards
________ is performed on new systems to test flow rates and on existing systems to ensure that the system is still performing well.
- Hydrant inspection
- Hydrant testing
- A pump test
- Hydrant flushing
________ is performed on new systems to test flow rates and on existing systems to ensure that the system is still performing well.
- Hydrant inspection
- Hydrant testing
- A pump test
- Hydrant flushing
Chapter 12, page 326, Water Supply Systems
Foam has three properties that enable it to extinguish and/or prevent fires. Which of the following is not one of these qualities?
- It breaks down flammable liquids
- It insulates
- It cools
- It forms a vapor barrier
Foam has three properties that enable it to extinguish and/or prevent fires. Which of the following is not one of these qualities?
- It breaks down flammable liquids
- It insulates
- It cools
- It forms a vapor barrier
Chapter 12, page 332, Extinguishing Agents
For firefighting purposes, the minimum recognized water system is _ gallons per minute for____ hours.
- 500; 2
- 1000; 3
- 250; 2
- 150; 1.5
For firefighting purposes, the minimum recognized water system is _ gallons per minute for____ hours.
- 500; 2
- 1000; 3
- 250; 2
- 150; 1.5
Chapter 12, page 320, Water Supply Systems
The pipes that serve individual hydrants and blocks of consumers are called ________, and can be installed in a grid system to reinforce them during times of high demand.
- grids
- secondary feeders
- primary feeders
- distributors
The pipes that serve individual hydrants and blocks of consumers are called ________, and can be installed in a grid system to reinforce them during times of high demand.
- grids
- secondary feeders
- primary feeders
- distributors
Chapter 12, page 321, Water Supply Systems
Under the NFPA’s hydrant color coding system, what color is used for a hydrant that is out of service?
- Green
- Red
- White
- Orange
Under the NFPA’s hydrant color coding system, what color is used for a hydrant that is out of service?
- Green
- Red
- White
- Orange
Chapter 12, page 326, Water Supply Systems
Water has the ability to extinguish fire through cooling and smothering because it has one of the highest values of ________ of any known substance, allowing it to absorb great amounts of energy.
- wetting qualities
- latent heat of vaporization
- quenching ability
- specific heat
Water has the ability to extinguish fire through cooling and smothering because it has one of the highest values of ________ of any known substance, allowing it to absorb great amounts of energy.
- wetting qualities
- latent heat of vaporization
- quenching ability
- specific heat
Chapter 12, page 331, Extinguishing Agents
What is the main purpose of a private fire protection system installed in private homes, businesses, manufacturing plants, or public buildings?
- To automatically dial 911
- To issue an alert to the Fire Inspection Bureau of a violation
- To alert the building occupants and/or fire department
- To alert passers-by to a smell of smoke
What is the main purpose of a private fire protection system installed in private homes, businesses, manufacturing plants, or public buildings?
- To automatically dial 911
- To issue an alert to the Fire Inspection Bureau of a violation
- To alert the building occupants and/or fire department
- To alert passers-by to a smell of smoke
Chapter 12, page 329, Private Fire Protection Systems
What is the proper procedure for walking around or through a foam blanket?
- Drag your feet through the foam.
- Stomp your way across the foam.
- Take long steps across the foam.
- Lift up your feet and step back down gently on each step.
What is the proper procedure for walking around or through a foam blanket?
- Drag your feet through the foam.
- Stomp your way across the foam.
- Take long steps across the foam.
- Lift up your feet and step back down gently on each step.
Chapter 12, page 333, Extinguishing Agents
What is the special purpose for the five-sided nuts on hydrants?
- To deter vandals who would turn on hydrants
- To identify specific fire department jurisdictions
- To facilitate ease of opening for the fire fighters
- To identify the difference in hydrant styles
What is the special purpose for the five-sided nuts on hydrants?
- To deter vandals who would turn on hydrants
- To identify specific fire department jurisdictions
- To facilitate ease of opening for the fire fighters
- To identify the difference in hydrant styles
Chapter 12, page 322, Water Supply Systems
What occurs when a valve or nozzle is closed very quickly under pressure of the system or a pump, potentially causing severe damage to the water system?
- Water hammer
- Pressure drop
- Main collapse
- Cavitation
What occurs when a valve or nozzle is closed very quickly under pressure of the system or a pump, potentially causing severe damage to the water system?
- Water hammer
- Pressure drop
- Main collapse
- Cavitation
Chapter 12, page 325, Water Supply Systems
What should be indicated on water system maps in case a fire hydrant gets sheared off in a motor vehicle accident?
- Next nearest hydrant
- Emergency phone number
- Shut-off valves
- Hydrant numbers
What should be indicated on water system maps in case a fire hydrant gets sheared off in a motor vehicle accident?
- Next nearest hydrant
- Emergency phone number
- Shut-off valves
- Hydrant numbers
Chapter 12, page 328, Water Systems Program
Which agency has developed a commonly used color coding system for fire hydrants?
- National Fire Protection Association
- State fire marshal
- Insurance Services Office
- Underwriters Laboratories
Which agency has developed a commonly used color coding system for fire hydrants?
- National Fire Protection Association
- State fire marshal
- Insurance Services Office
- Underwriters Laboratories
Chapter 12, page 326, Water Supply Systems
Which consumption level is figured over the last 12 months?
- Maximum daily consumption
- Average hourly consumption
- Average daily consumption
- Peak hourly consumption
Which consumption level is figured over the last 12 months?
- Maximum daily consumption
- Average hourly consumption
- Average daily consumption
- Peak hourly consumption
Chapter 12, page 320, Water Supply Systems
Which consumption level is the maximum amount of water used in any given hour of the day?
- Maximum daily consumption
- Average daily consumption
- Peak hourly consumption
- Average hourly consumption
Which consumption level is the maximum amount of water used in any given hour of the day?
- Maximum daily consumption
- Average daily consumption
- Peak hourly consumption
- Average hourly consumption
Chapter 12, page 320, Water Supply Systems
Which hydrant style always has water in it and is controlled by separate valves for each opening?
- Wet barrel hydrant
- Dry hydrant
- Dry barrel hydrant
- Pre-charged hydrant
Which hydrant style always has water in it and is controlled by separate valves for each opening?
- Wet barrel hydrant
- Dry hydrant
- Dry barrel hydrant
- Pre-charged hydrant
Chapter 12, page 323, Water Supply Systems
