Chapter 7 - Non-Fire Building Systems

Question 1

What is the lower explosive limit of anhydrous ammonia

Answer 1

15%.

Question 2

What are single or multiple strand conductors

Answer 2

Wires

Question 3

A 3 gauge wire will carry how many amps

Answer 3

100 A

Question 4

AWG is the smaller the number the ___ the diameter

Answer 4

Larger

Question 5

What gauge wire is used for lighting circuits in buildings

Answer 5

14-gauge

Question 6

What are two or more insulated conductors

Answer 6

Cables

Question 7

What distributes electricity throughout the building

Answer 7

Conductors

Question 8

What plays a critical role in overcurrent protection

Answer 8

Electrical service panel

Panelboard

Question 9

What is best to do when operating switches

Answer 9

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

Question 10

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

Answer 10

Circuit breaker

Question 11

How many volts do single-family homes operate on

Answer 11

110 volts.

Question 12

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

Answer 12

10 seconds

Question 13

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

Answer 13

60 seconds

Question 14

NFPA standard for emergency and standby power systems

Answer 14

110

Question 15

What are the newest type of power supply

Answer 15

Energy storage systems

Question 16

NFPA standard for the installation of stationary energy storage systems

Answer 16

NFPA 855

Question 17

NFPA 855 limits what

Answer 17

Size of battery system arrays requiring 3 ft between each system

Question 18

What batteries present the possibility of a gas explosion

Answer 18

Lithium

Question 19

What are the oldest type of building systems

Answer 19

Heating

Question 20

What do all boilers require

Answer 20

Pressure relief devices

Question 21

What is the range at which boilers operate between

Answer 21

12 to 30 PSI

Question 22

What is one of the biggest HVAC issues for firefighters

Answer 22

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

Question 23

How many stories are in a mid-rise building

Answer 23

5 to 7 stories

Question 24

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

Answer 24

Glass

Question 25

NFPA national fuel gas code

Answer 25

NFPA 54

Question 26

What are the most important devices on fuel gas piping systems

Answer 26

Control valves

Question 27

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

Answer 27

If the ridge is perpendicular to the direction of the pipe

Question 28

A17.1 is for what type of elevators

Answer 28

New elevators

Question 29

A17.3 is for what type of elevators

Answer 29

Existing

Question 30

What are two type of elevators

Answer 30

Traction and hydraulic

Question 31

Hydraulic elevators are typically installed in what type of buildings

Answer 31

Low rise. Five or six stories

Question 32

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

Answer 32

Electric power switches

Question 33

What is phase 3 operation

Answer 33

Occupant evacuation elevators

Question 34

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

Answer 34

420 ft in height

Question 35

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

Answer 35

120 ft

Question 36

Hydraulic elevator power controls are usually located where

Answer 36

On the first floor

Question 37

Traction elevator power controls are found where

Answer 37

Top floor

Question 38

The overall steel frame that supports the escalator is called

Answer 38

Truss

Question 39

Where is the motor of the escalator located

Answer 39

At the top under the inspection plate

Question 40

32° F to 65° F

Answer 40

Cooler storage Eggs and apples

Question 41

16° F to 35° F

Answer 41

Chill rooms for curing meats.

Question 42

10° F to 5° F

Answer 42

Freezer or holding rooms for storing frozen foods

Question 43

35° F to 0° F

Answer 43

Sharp freezer for initial freezing and normal freezing

Question 44

ASHRAE lower toxicity

Answer 44

A

Question 45

ASHRAE higher toxicity letter.

Answer 45

B

Question 46

ASHRAE do not propagate a flame number

Answer 46

1

Question 47

ASHRAE low flammability number

Answer 47

2

Question 48

ASHRAE High flammability number

Answer 48

3

Question 49

ASHRAE flammability is based upon

Answer 49

Flame velocity

Question 50

Ammonia is classified as B2L which has a max burning velocity

Answer 50

< 10cm/s

Question 51

Ammonia flammable range

Answer 51

16 to 25%

Question 52

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

Answer 52

2 gallons