Ch.12

Question 1

Model building codes define a high rise building as being more than ___ feet in height ?

Answer 1

75 feet

Question 2

The fire protection definition of a high rise building is more practical , any building with occupied stories beyond the ________ reach of fire equipment located at the street level?

Answer 2

Effective

Question 3

A high rise building may be defined as exceeding __ or __ feet in height at the roof?

Answer 3

80-100 feet

Question 4

Other jurisdictions may define a high rise building as exceeding ___ feet or __ stories in height because of limitations in fire fighting resources?

Answer 4

50 feet or 5 stories

Question 5

Two developments that made high rise buildings possible and practical at the end of the 19th century?

Answer 5

Elevators and the use of steel frame construction

Question 6

Buildings exceeding ___ stories have become commonplace ?

Answer 6

60 stories

Question 7

The earliest high rise buildings were rarely more than __ or __ stories ?

Answer 7

10 to 12 stories

Question 8

The first model building codes introduced in the _____ and _____ required stairs and elevators to be enclosed ?

Answer 8

1920s and 1930s

Question 9

Typically model building codes require __or __ hour fire resistance for the structural Frame of a high rise building ?

Answer 9

2 or 3 hours

Question 10

A valve installed at standpipe connection that is designed to reduce the amount of water pressure at that discharge to a specific pressure, usually 100psi?

Answer 10

Pressure reducing valve

Question 11

In buildings up to __ or __ stories , it might be possible to advance hose lines manually up stairwells?

Answer 11

9 or 10 stories

Question 12

Sprinkler and standpipe systems are typically supplied from the same _____________ ?

Answer 12

Vertical riser

Question 13

Building codes have routinely required that high rise buildings be equipped with automatic sprinkler systems as well as standpipe systems since the mid ______?

Answer 13

1970s

Question 14

All model building codes require smoke proof exit enclosure in stairs serving floors ___ feet or higher?

Answer 14

75 feet

Question 15

Many high rise buildings , especially office buildings and hotels are designed with a __________ floor plan?

Answer 15

Central core

Question 16

A circuit breaker used as a safety device in an elevator system, when electrical current surges the device disconnects the power source?

Answer 16

Shunt trip

Question 17

The elevator code requires a shunt trip where the elevator hoistwsy or elevator room is protected by _____________?

Answer 17

Automatic sprinklers

Question 18

Only consider using an elevator if the fire is above the ____ floor?

Answer 18

5th floor

Question 19

Emergency operations mode for elevators , recalls the car to the terminal floor lobby or another floor as specified and opens the doors?

Answer 19

Phase 1 operation

Question 20

Codes contain mandatory provisions for the recall phase 1 operation of all passenger elevators with vertical travel greater than ____ feet in the event of a fire ?

Answer 20

25 feet

Question 21

Phase 1 operation is designed to ________ the deaths of civilians who may find themselves in an elevator that is called to the fire floor as happened in high rise fires in the 1970s?

Answer 21

Prevent

Question 22

The requirement for recall does not apply to ______ elevators?

Answer 22

Freight

Question 23

Emergency operating mode for elevators , allows emergency use of the elevator with certain safeguards and special functions?

Answer 23

Phase II operation

Question 24

The _____________ which prevents the doors from closing if there is a person or smoke in the doorway , is disabled during phase II operations?

Answer 24

Electric eye safety

Question 25

Limited access buildings constrict firefighter ability to quickly and efficiently ventilate the building , as a result building codes generally require that these buildings be fully ________ ?

Answer 25

Sprinklered

Question 26

Underground buildings may have occupancy areas ___ feet or more lower than their primary exit?

Answer 26

30 feet

Question 27

Probably the greatest single challenge in controlling fires in underground buildings comes from the difficulty in venting _______and ______?

Answer 27

heat and smoke

Question 28

Smoke proof enclosures are now required for buildings with levels more than ___ feet below the level of exit discharge?

Answer 28

30 feet

Question 29

In underground buildings the maximum available fire resistance protection is typically ___ hours , therefor fires exceeding that are a serious threat?

Answer 29

4 hours

Question 30

Underground buildings may be grouped with __________ buildings when it comes to building codes?

Answer 30

Windowless buildings

Question 31

Where buildings have floor levels more than___ feet  below the level of exit discharge, separation of each level into two approximately equal size compartments may be required?

Answer 31

60 feet

Question 32

A _______ structure has an exterior skin of thin, waterproof fabric , often vinyl coated polyester material ?

Answer 32

Membrane structure

Question 33

What are the 2 types of membrane structures?

Answer 33

Air supported Air inflated

Question 34

The amount of ___________ required to maintain these types of structures is a small fraction above the ambient atmosphere pressure?

Answer 34

Air pressure

Question 35

______________ feature a covered space with a fully open floor plan , maybe used for seasonal pop up shops or as temporary structures for weather protection while constructing a building inside?

Answer 35

Air inflated structures

Question 36

Membrane structure that is fully or partially held up by interior air pressure , may be maintained in place over a long duration?

Answer 36

Air supported structure

Question 37

Freestanding structure that uses suspension cables for support?

Answer 37

Cable membrane structure

Question 38

Structure supported primarily by a frame or skeleton rather than by load bearing walls?

Answer 38

Frame membrane structure

Question 39

_________________ are supported by external cables fastened to masts , the structural supports of this type of construction resemble the organization found in a suspension bridge?

Answer 39

Cable membrane structure

Question 40

_______________ feature a rigid frame with a tensioned membrane covering , usually with internal columns?

Answer 40

Frame membrane structure

Question 41

Many states use ______ to store road salt near highways ?

Answer 41

Frame structures

Question 42

Building codes require that mall walkways be a minimum of ___ feet wide ?

Answer 42

20 feet

Question 43

Malls are usually designed with one or more large , well known perimeter stores that are known as _________?

Answer 43

Anchor stores

Question 44

Codes require individual stores within a shopping mall to have __ hour fire resistive separations from each other ?

Answer 44

1 hour

Question 45

Smoke control systems may be required in covered mall buildings with ___ or more stories?

Answer 45

3

Question 46

Open area in the center of a building , extending through two or more stories , similar to a courtyard but usually covered by a sky light to allow natural light and ventilation to interior rooms?

Answer 46

Atrium

Question 47

The building codes have a basic requirement that an atrium be enclosed with __ hour rated construction or a combination of glass and automatic sprinklers?

Answer 47

1 hour

Question 48

Current codes calibrate the exhaust capacity to maintain the smoke layer at a specified height above the _____ walking level serving the exit system?

Answer 48

Highest

Question 49

Some codes now waive the requirements for sprinklers where ceilings of atriums are more than ____ feet above the floor?

Answer 49

55 feet

Question 50

An ____________ can be defined as an event that produces a rapid release of energy ?

Answer 50

Explosion

Question 51

The maximum pressure reached during an explosion may exceed ____ times the atmospheric pressure ?

Answer 51

10 times

Question 52

Ideally explosion vent panels should not weigh more than ___ pounds per sq foot ?

Answer 52

3 lbs

Question 53

Several different types of materials are used for explosion vents , such as _________ or __________?

Answer 53

Lightweight corrugated steel or aluminum sheets

Question 54

A _____ and _____ free environment is essential to protect occupants while they are awaiting rescue?

Answer 54

Smoke and heat

Question 55

The typical smoke barrier consists of a minimum __ hour rated enclosure?

Answer 55

1 hr

Question 56

Areas of refuge must be provided with some type of ____________________ connected to a constantly attended location ?

Answer 56

Two way communication system

Question 57

Warehouses may have multiple rows of racks wider than ___ feet or with aisles narrower than ____ feet?

Answer 57

12 feet 3.5 feet

Question 58

Storage racks can range from a total height of __ feet to an excess of ___ feet ?

Answer 58

12 feet 100 feet