Truck Questions 121.16 Flashcards
When shutting gas off by a curb gate valve where is it located and how do you shut it off?
Located between the curb and property line. Turn clockwise until resist (6-20 turns)
In ordinary construction, exterior walls are made of _______________
Non combustible or limited combustible materials
Gas meters can be turn off? If so explain the process
Turn stopcock so that operating lug is crosswise to the pipe. 1/4 turn
When forming a catch all what and where are the folds made?
Ends are 24 inches and and sides are 18 inches. Corners are folded in, but not patted down.
The first portable light should be set up?
At the entry point into the structure
The lighting and power equipment used on an emergency scene generally operates at?
110 volts ac
What is the term for operations undertaken to limit or reduce property losses?
Salvage
What is the term for plastic that will melt under fire conditions?
Thermoplastic
Fire retardant wood is treated with?
Mineral salt
What is the term for operations undertaken to find and extinguish any remaining pockets of fire?
Overhaul
Which sort of air movement is likely on a hot day in a air conditioned tall building?
Downdraft
What is a term for an open space within a wall where wires and pipes tun
Chase
What is a commonly used structural material in a type 1 building?
Protected steel
It is permissible to remove scba during salvage operations after?
Atmosphere has been tested and found safe
Within a room or space, where are the hottest gases found?
At the highest levels