V5-C2 Flashcards
How much foam can you add to a water extinguisher
.025 gallons
How often should dry chemical extinguishers be turned upside down and shaken
Weekly
How often should CO2 extinguishers be weighed
Every six months
How much does a CO2 extinguisher weigh and when does it need to be sent in
Normally weighs 25 pounds must be sent in if it weighs 24
How often are extinguishers checked for pressure and condition
Daily
Often are extinguishers checked for frame cracking loose connections and rotated to prevent caking
Weekly
How much water in a water extinguisher
2 1/2 gallons
Much does a water extinguisher weigh
27 pounds
What chemical is in a dry chemical extinguisher
Ammonium phosphate or a sodium bicarbonate agent
How much does a dry chemical extinguisher weigh
37 pounds
What type of dry chemical extinguishers carried on the fire engine
20A:120BC
What is the CO2 extinguishers rating on the engine
10 BC
What pressure are water extinguishers charged to
100 pounds
Low-voltage lines are classified as those not exceeding how many volts
480 V usually found in residential structures
High-voltage lines of those exceeding how many volts
600 V usually found in commercial structures
What’s the maximum voltage fire department personnel can cut
Department personnel are limited to cut a low-voltage residential electrical lines 480 V or less. personnel cannot cut voltage that is 600 V or greater
What is the voltage range of the electrical line rubber gloves
Tested 10,000 V same as the mechanical axe maximum uses 7500 V
How often are electrical rubber gloves tested and certified
Checked daily and after each use and certified every six months
When are electrical gloves exchanged
First week of January and the first week of July each year the breathing apparatus shop
What size safety zone is required when cutting electrical wires
30 feet
Voltage range from a generating station to a power substation
The 55000 to 500,000 V
What is the most common agent used in a class D extinguisher
Metal X
What must be in place before personnel can cut any wires
A safety officer is present
A company officer should be assigned as the safety officer position prior to cutting lines
