Ch 12 Ceiling Collapse Flashcards
Which of the following does NOT factor into the degree of injury caused by a local collapse of a plaster ceiling?
p. 167
Temperature of the ceiling
What should be used to temporarily shore up a sagging suspended ceiling?
p. 176
Portable ladder
Which is considered the most dangerous ceiling? p. 167
Suspended ceiling
What is placed low on the scale of structural importance in a building’s framework? p. 166
Ceiling collapse
What does the fire service consider fire resistance of a structure to be directly related to? p. 172
Mass
Which part of the ensemble can become entrapped in the thin wire in a suspended ceiling system? p. 174
SCBA parts
What should be used to control the fire and prevent smoke generation when there is an increase due to a suspended ceiling collapse? p. 176
Hoseline
Which suspended ceiling collapse is killing New York City firefighters? p. 175
Wood grid suspended
Where should an inspection opening be made when the stability of a suspended ceiling is in question? p. 177
Near the entrance
When the suspended ceiling is pulled, what should the firefighter be able to see? p. 175
Floor Joist
Where should the ceiling be pulled down when using pike poles on a suspended ceiling during overhaul?
p. 176
Ceiling sheathing
What is the most important first step for the rescue of firefighters trapped beneath a wood grid suspended ceiling collapse? p. 175
Knock down the flames
What is the first thing that must be done when rescuing victims from beneath a collapsed suspension ceiling? p. 176
Cut apart the grid system
How many layers must be pulled down to check for fire extension when there are three layers in the ceiling?
p. 172
Three
How much per square foot (per square meter) does the metal grid system, wire lath ceiling weigh? p. 171
10 pounds
What does the black iron rod and frame ceiling support system used in New York City do when a partial failure occurs? p. 173
Redistributes the load
What is often the cause of collapse of a ceiling directly attached to the joists?
p. 166
Water absorption
Where in the building is a suspended ceiling be found when renovations have been done? p. 167
Every floor
Which is the most common type of ceiling that is attached directly to the floor above it? p. 166
Gypsum board
How should the ceiling be removed when checking for fire extension in a suspended ceiling? p. 172
From below with a pike pole
What has been added in recent years that can add weight in the suspended ceiling space? p. 174
Cables
What type of suspended ceiling collapse would NOT cause a crush injury? p. 171
Lightweight metal grid system with removable ceiling panels
In which instance is a suspended ceiling installed to reduce the cost of heating and cooling the space? p. 169
Renovations