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Brannigan's Building Construction For The Fire Service > Chapter 7 - Non-Fire Building Systems > Flashcards

Chapter 7 - Non-Fire Building Systems Flashcards

1
Q

What is the lower explosive limit of anhydrous ammonia

A

15%.

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2
Q

What are single or multiple strand conductors

A

Wires

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3
Q

A 3 gauge wire will carry how many amps

A

100 A

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4
Q

AWG is the smaller the number the ___ the diameter

A

Larger

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5
Q

What gauge wire is used for lighting circuits in buildings

A

14-gauge

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6
Q

What are two or more insulated conductors

A

Cables

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7
Q

What distributes electricity throughout the building

A

Conductors

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8
Q

What plays a critical role in overcurrent protection

A

Electrical service panel

Panelboard

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9
Q

What is best to do when operating switches

A

Use the back side of your hand to move the switch with your face turned away.

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10
Q

What is the most common overcurrent protection for small residential and commercial buildings

A

Circuit breaker

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11
Q

How many volts do single-family homes operate on

A

110 volts.

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12
Q

Secondary sources of electricity are required to provide power within how many seconds of a power outage

A

10 seconds

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13
Q

Standby power systems have how many seconds to pick up the electrical load of these less critical systems

A

60 seconds

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14
Q

NFPA standard for emergency and standby power systems

A

110

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15
Q

What are the newest type of power supply

A

Energy storage systems

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16
Q

NFPA standard for the installation of stationary energy storage systems

A

NFPA 855

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17
Q

NFPA 855 limits what

A

Size of battery system arrays requiring 3 ft between each system

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18
Q

What batteries present the possibility of a gas explosion

A

Lithium

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19
Q

What are the oldest type of building systems

A

Heating

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20
Q

What do all boilers require

A

Pressure relief devices

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21
Q

What is the range at which boilers operate between

A

12 to 30 PSI

22
Q

What is one of the biggest HVAC issues for firefighters

A

The ability of smoke to be circulated throughout a building during a fire

23
Q

How many stories are in a mid-rise building

A

5 to 7 stories

24
Q

Laboratories use what type of drains that are resistant to corrosion by acids

A

Glass

25
Q

NFPA national fuel gas code

A

NFPA 54

26
Q

What are the most important devices on fuel gas piping systems

A

Control valves

27
Q

Which direction would indicate the valve is closed on a fuel gas piping system

A

If the ridge is perpendicular to the direction of the pipe

28
Q

A17.1 is for what type of elevators

A

New elevators

29
Q

A17.3 is for what type of elevators

A

Existing

30
Q

What are two type of elevators

A

Traction and hydraulic

31
Q

Hydraulic elevators are typically installed in what type of buildings

A

Low rise. Five or six stories

32
Q

What is required for each elevator car for shutdown and locked out tag out

A

Electric power switches

33
Q

What is phase 3 operation

A

Occupant evacuation elevators

34
Q

Occupant evacuation elevators aren’t tended for the self evacuation of occupants in building more than

A

420 ft in height

35
Q

Fire service access elevators are found in new buildings more than how high

A

120 ft

36
Q

Hydraulic elevator power controls are usually located where

A

On the first floor

37
Q

Traction elevator power controls are found where

A

Top floor

38
Q

The overall steel frame that supports the escalator is called

A

Truss

39
Q

Where is the motor of the escalator located

A

At the top under the inspection plate

40
Q

32° F to 65° F

A

Cooler storage

Eggs and apples

41
Q

16° F to 35° F

A

Chill rooms for curing meats.

42
Q

10° F to 5° F

A

Freezer or holding rooms for storing frozen foods

43
Q

35° F to 0° F

A

Sharp freezer for initial freezing and normal freezing

44
Q

ASHRAE lower toxicity

A

A

45
Q

ASHRAE higher toxicity letter.

A

B

46
Q

ASHRAE do not propagate a flame number

A

1

47
Q

ASHRAE low flammability number

A

2

48
Q

ASHRAE High flammability number

A

3

49
Q

ASHRAE flammability is based upon

A

Flame velocity

50
Q

Ammonia is classified as B2L which has a max burning velocity

A

< 10cm/s

51
Q

Ammonia flammable range

A

16 to 25%

52
Q

A permanent water supply capable of providing at least how many gallons of water for each pound of ammonia must be provided

A

2 gallons

Brannigan's Building Construction For The Fire Service (13 decks)

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