Which type of foam system method extinguishes a fire by intervening between the fuel and the fire?
Separating
The stage of foam formation that mixes water with foam liquid concentrate is:
proportioning.
Wet-chemical fire extinguishing agents are delivered to the hazard area in the form of a:
spray.
Which class of fire involves energized electrical equipment?
Class C
Which foam proportioner is the most common type of built-in proportioner installed in mobile fire apparatus?
Around-the-pump proportioner
What is the greatest concern for extinguisher reliability?
Temperature of the environment
Which dry-chemical agent is also known as ordinary dry chemical?
Sodium bicarbonate
Which foam proportioner is one of the most reliable methods of foam proportioning?
Balanced pressure proportioner
Which type of foam fire extinguishing system is wheel mounted and may have a water supply connection capability?
Mobile
Which of the following tasks regarding dry-chemical systems is an Inspector I MOST likely to be required to perform?
Inspect new installations
Which type of clean system agent is no longer produced but may still be in service?
Halon
When rapid fire extinguishment is required and reignition is unlikely:
dry-chemical systems are used.
The special-agent fire extinguishing system most effective on fires in commercial cooking equipment that produces grease-laden vapors is a:
wet-chemical system.
When it comes to fire extinguishers, inspectors are responsible for:
providing information and recommendations for training.
How often do all components of clean-agent systems need to be inspected by qualified personnel?
Annually
The general method for locating and distributing extinguishers consists of:
classifying occupancies based on hazard levels.
Who is responsible for keeping accurate records of fire extinguisher inspections?
Owner/occupant
Which dry-chemical system component may contain both the agent and the pressurized expellant gas?
Storage container
Which type of dry powder agent is sodium chloride (salt) based?
MET-L-X®
The general category of fire extinguishing agents that effectively leaves no residue is a:
clean agent system.
Who is responsible for verifying to the inspector that dry-chemical systems are maintained and serviced?
Qualified individual
In addition to the clean-agent system inspections and tests, what else must be inspected annually?
Protected enclosure
Which foam expansion rate is used primarily to extinguish fires involving liquid fuels?
Low
What is the biggest disadvantage to dry-chemical systems?
Require extensive cleanup
