(Building Construction) Chapter 4 Building Systems

Question 1

What is not a type of stair design?
A. Circular
B. Sissor
C. Folding
D. Extension

Answer 1

D. Extension
Straight run, return, scissor, cicular, folding, and spiral

Question 2

Scissor stairs are a hazard to firefighting because?
A. They are smaller
B. They make it easier to find the floor
C. Harder to pick the correct stair shaft to correct floor
D. They have no effect on firefighting operations

Answer 2

C. Harder to pick the correct stair shaft to correct floor
Scissor stairs each set serves every floor but on alternately opposite sides of the stair shaft.

Question 3

Circular stairs serving two levels minmum with of run is ____ inches?
A. 4
B. 12
C. 10
D. 25

Answer 3

C.10

Question 4

What type of stair is not recommened or use extreme caustion during emergency operations?
A. Exterior stair open
B. Exterior stairs closed
C. Return stairs
D. Fire Escapes

Answer 4

D. Fire Escapes
The fire escape structure may be severely weakened due to constant exposure and lack of maintenance over a period of years.

Question 5

What qualifies as “Smoke Proof Enclosures” for building code; per Chapter 4 Building systems?
A. Five stories buildings or higher
B. Building with 30 feet below the level of exit discharge
C. Must have eather active or passive smoke control
D. All of the above

Answer 5

D. All of the above

Question 6

What type of stair are not enclosed with fire-rated constrction. Will likely serve as a path for pread of a fire and smoek and will not protect anyone from the exposure to products of combustion?
A. Smoke proof stairs
B. Active Smoke enclosures
C. Passive smoke proof enclosures
D. Open stairs

Answer 6

D. Open Stairs
These staris are sometimes referred to as “Convenience” stairs and can be used as a part of an exit.
Building codes typically allow the use of open stairs in buildin only when they connect no mor than two adjacent floors above the basement level.

Question 7

What is not a commen type of Elevators?
A. Electric
B. Hydraulic
C. Sciccor
D. Drum

Answer 7

C. Sciccor
Electric cover drum and traction

Question 8

________-Tendency of heat, smoke and other products of combustion to rise until they encounter a horizontal obstruction.
A. Laminer layering
B. Enviornmental aclimation
C. Mushrooming
D. Thermal layering

Answer 8

C. Mushrooming

Question 9

What are challenge with blind hoistways?
A. They stop at every floor
B. They serve only lower floors
C. There are no entrances to the shaft on floors between the main enterance and lowest level floors
D. They do not have lights in the elevator

Answer 9

C. There are no entrances to the shaft on floors between the main enterance and lowest level floors
Blind hoistways used for express elevatiors that only serve the upper floors of tall buildings

Question 10

Which is not a path where smoke and fire can go vertically?
A. Vertical shafts (Elevator, stairs, dumbwaiter)
B. Utility Chase (HVAC, Laundry chutes, plumbing)
C. Pipe Chases (Potable water, drain line, steam)
D. Beams (Simple, I, Truss)

Answer 10

D. Beams (Simple, I, Truss)

Question 11

____ is instualled as a part of an exhaust system for commercial cooking appliance that produced grease-laden vapor?
A. Laundry chute
B. Grease Ducts
C. Ansul
D. Refuse chutes

Answer 11

B. Grease Ducts

Chapter 4 building systems building contruction

Question 12

What is not concidered Refuse Chute
A. Garbage Chute
B. Laundry Chute
C. Trash Chute
D. Vertical Shaft

Answer 12

D. Vertial shaft
Refuse Chutes are required to be constructed of non combustible materials with rated doors and sprinklers are required at the top of the chute.

Question 13

Also known as handling system. This system regulates temperature, humitdity, and filtering of the air.
A. PSA system
B. HVAC system
C. ACDC system
D. Electrial system

Answer 13

B. HVAC system

Question 14

What system removes air only?
A. HVAC
B. CPAP
C. HVLP
D. Exhaust

Answer 14

D. Exhaust

Question 15

Systems that make use of water as the heat transfer medium arre known as ____ systems.
A. HVAC
B. Exhuast
C. Simple
D. Hydronic

Answer 15

D. Hydronic

Question 16

____ Engineered system designed to control smoke by using mechanical fans to produce airflows and pressure differences across smoke barriers to limit and direct smoke movement
A. Air Ducts
B. HVAC
C. Air Filtration
D. Smoke-contol system

Answer 16

D. Smoke-contol system

Question 17

FSCS stand for firefighting purpose?
A. Fire Stairwell Confine Smoke
B. Firefighter’s Smoke Control Station
C. Financial Service Compensation Scheme
D. Full-Service Community School programs

Answer 17

B. Firefighter’s Smoke Control Station
A manual/automatic way of controlling smoke in a HVAC system for large buildings.

Question 18

Controlling smoke in stairwell is a key thing in building contruction. What are two methods that can be used to protect an enclosed stairwell from smoke?
A. Smoke Proof Tower, Pressurized stairwell
B. Single injector, Multiple injector
C. Closing doors, stand pipe
D. Open doors, close any windows

Answer 18

A. Smoke Proof Tower, Pressurized stairwell
Smoke proof tower uses a vestibule between the corridor and stairwell that opens to atmosphere
Pressureized stairwell uses a fan or blower to PPV to the stairwell. can be single injection method or multiple injection method

Question 19

____ a vertical boards, fire-resistive half walls, that extend down from the underside of the roof of some commercial building and are intended to limit the spread of fire, heat, smoke and fire gases
A. Shangri-La Boards
B. Pinch pleat Boards
C. Sheer Boards
D. Curtain Boards

Answer 19

D. Curtain Boards

Question 20

What volts is electrical equipment is considered high vs low voltage?
A. 500
B. 600
C. 1200
D. 120

Answer 20

B. 600 volts (equipment)

Chapter 4 building systems 142

Question 21

____ are used to convert high-voltage electricity to an approprate voltage for a building.
A. Capacitor
B. Mosfet
C. Transistor
D. Transformer

Answer 21

D. Transformer

Question 22

This type of transformer cools using air.
A. Dry Transformer
B. Wet Transformer
C. Oil-cooled Transformer
D. Optimus Transformer

Answer 22

A. Dry transformer
Also know as aircooled

Question 23

Oil-Cooled transformers use oil to cool. Older transformers oil contained highly hazardous PCBs and are required to have a lable
both oil types have this property which means noncondutor of direct electric current.
A. Dry transformer
B. Dielectric
C. Conductive
D. Resistant

Answer 23

B. Dielectric

Question 24

Generators are located on roof, in open parking garage, or outside the buidling to easily provide ventilation and cooling. Current cold require that the generatior and the main fuel storage be installed in separate fire-rated rooms. An exception to the fuel starge separation is a day-tank located in the same room or mounted directly on the tank. This tank is typically limited by fire code to ____ gallons or ( ____ litters) .
A. 60 Gallon, 240 Litters
B. 120 Gallons, 60 Litters
C. 55 Gallons, 1000 Litters
D. 10 Galons, 38 Litters

Answer 24

A. 60 Gallons, 240 Litters

Question 25

Which of the following is not a name for Lead-acid batteries
A. Sealed cell
B. Wet cell
C. Maintenance free cell
D. Swing Cell

Answer 25

D. Swing Cell
Lead acid battery names: Wet cell, Gel cell, Starved electrolyte cell, Sealed cell, Maintenance free cell, Flooded cell

Question 26

What gas is released during a lead-acid battery recharging?
A. Helum
B. Neon
C. Hydrogen
D. Argon

Answer 26

C. Hydrogen

Question 27

What are the basic componets common to all stair types?
A. Y=Mx+B
B. They all go up
C. They all go down
D. Tread, riser (Run and rise)

Answer 27

D. Tread, riser (Run and rise)