Chapter 12 Flashcards
Which type of floor plan are many office buildings and hotels designed with
Central core
How are inmates moved when evacuation to a defend in place compartment is necessary
Horizontally
Which is designed to quickly relieve the pressure created by an explosion
Venting
What is the minimum width allowed under code for the shopping mall
20 feet
Which type of explosion is a purely physical event
boiler explosion
Which of the following locations does the two way fire department communication system not operate with
Individual residences
Which characteristic is important in regards to the horizontal extension of fire in a high rise building
Subdivision by partitions
What was fire protection usually provided by before the last quarter of the 20th century
Standpipes
Where is the fire command center typically located
First floor
Which does not factor into the required level of sprinkler protection of storage racks
layout of the racks
What is the maximum available fire resistant protection typically for underground structures
Four hours
When was the Empire State Building constructed
1930
What complicates providing adequate fire protection in a building with an atrium
Height of the atrium
Which fire protection feature specifically addresses the defend in place concept in a detention facility
automatic sprinklers
What is the typical number of levels in a shopping mail
one to three
Which is found in the high rise building that prevents recirculation of smoke to other floors
Duct detectors
At what pressure should a pressure regulating device be placed at the 1 1/2 inch hose connection
100 psi
What is the roof of an air supported structure constructed from
Polyester fabric
Which part of the structure are storage racks usually bolted to
Floor
What rating is listed in the typical model codes for the enclosure of an atrium
1 hour
What fire resistance do model building codes typically require the floor construction of a high-rise building to be
2 hour
What fire resistive separations are required by code to be placed between stores within the mall
1 hour
What is the minimum number of floors that an atrium will extend
two
Where are the standpipe risers and hose valves located
stairwell
How many floor control valves will there be for the sprinkler system in a sixty story high rise building
sixty
Where are the car controls operable from during phase II elevator operations
Inside the car only
Which of the following should the area of refuge be equipped with
Two-way communications system
What is the minimum number of sides that emergency access openings are typically required on the upper floors of the windowless structure
two
Which is a correct statement about membrane covered frame structures
Cannot offer large unobstructed interior space
How many water supply sources are typically required for the standpipe system in seismic zones
two
What distinguishes explosions from ordinary combustion
Speed of the process
Which is seen as the greatest single challenge in controlling fires in underground buildings
Venting heat and smoke
What constitutes a high rise building from a fire protection standpoint
Beyond effective reach of fire equipment at street level
Which type of structure has the advantage of providing a large unobstructed interior space
membrane
At what height does a building begin to be considered a high rise building according to model building codes
75 feet
How many accessible means of egress are required in recent codes as minimum
two
When did building codes begin to require that stairwells be enclosed in high-rise buildings
1920’s and 30’s
At what pressure is the air supported structure kept
0.35 psi
During which phase of operations are all elevators brought to the recall floor
Phase I
Which reason is behind the requirement for high rise buildings to be equipped with fire alarm systems
High occupant load
Which statement about safety during emergency elevator use is correct
Always remain in communication by radio or other means
What is the main purpose of venting an explosion
Reducing structural damage
What ideally is the maximum weight of a vent panel
3 pounds per square foot
Which would require smokeproof enclosures for the underground building
levels 30 feet below the level of exit discharge
Which floors are pressurized when using the buildings mechanical air handling system to accomplish smoke removal
Fire floor, one floor above and one floor below the fire floor
Which is the most deadly fire in US history
Winecoff Hotel Fire in atlanta
What must be placed in stairs and at major entrances in the shopping mall
Fire department hose outlets
Which tactic should be tried first when dealing with a fire in a detention facility
Defend in place
Which is more ideal material to construct high rise buildings from
Steal
What is Phase 1 operation of the elevator during an emergency
Recall
Which tactic should be tried first when dealing with a fire in a detention facility
Defend in place
What rating is listed in the typical model codes for the enclosure of an atrium
1 hour
Which is found in the high rise building that prevents recirculation of smoke to other floors
Duct detectors
Which elevator operation is designed to allow firefighters to use the elevators after they arrive at the scene by overriding the recall feature
Phase 2
When was the Empire state Building constructed
1930
