Inspector study guide - Fire Hazard Recognition Flashcards

1
Q

Most electrical fires are caused by _____, overloading, or _____________.

A

arcs, overheating electrical cords

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Detailed electrical inspections are typically the responsibility of a qualified ________.

A

electrical inspector

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

______ is the pressure (potential) of the electricity in a circuit

A

volt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

______ is the quantity of electricity flowing through the circuit

A

amp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

_______is the friction encountered by the electric current

A

resistaance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Resistance produces _____ and _____ in voltage

A

heat, drop

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

3 things that determine the resistance of a wire

A
  • size
  • material
  • length
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

______ is a unit of power that is equal to the voltage times the amperes

A

watt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

currents of ___________ milliamperes or more may be lethal

A

100 to 200

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

four common causes of electrical fires

A

1 - old or worn electrical equipment
2 - improper use
3 - defective electrical installations
4 - overloading

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

__________ is an accumulation of electrical charges on opposing surfaces created by the separation of unlike materials or movement of the surfaces

A

static electricity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

3 control measures to dissipate generated charges (static electricity)

A

1 - maintaining humidity of 60-70%
2 - bonding the two objects together
3 - grounding the objects

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

A working space of not less than _______ shall be provided in front of electrical service equipment

A

30” wide x 36” deep x 78” high

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Extensions cords may not replace

A

permanent wiring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

extensions cords may not …..

A

replace permanent wiring
be permanently attached to the structure
pass under rugs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Extension cords shall only be used with __________

A

portable appliances

17
Q

storage shall be maintained _____ or more below the ceiling in nonsprinklered areas

A

2’

18
Q

storage shall be maintained ______ or more below the sprinkler head deflectors in sprinklered areas of building

A

18”

19
Q

combustible materials shall not be stored in ______ rooms, ______rooms, or ________rooms

A

boiler, mechanical, electrical

20
Q

primary hazard is ____________ in lumberyards

A

excessive fire load

21
Q

lumber stacks shall not exceed ________ in height

A

20’

22
Q

driveways should have a minimum width of _______

A

15’

23
Q

_______ heating devices shall not be allowed in the lumber storage area

A

portable

24
Q

permanent lumber storage areas shall be surrounded with a minimum of a __________ high fence

A

6’

25
Q

recycling operation piles shall not exceed ______ in height, ______ in width, and _______ in length

A

25’, 150’, 250’

26
Q

pallet storage may be stacked up to _______

A

30’ high

27
Q

welding and cutting sites; all combustibles shall be relocated at least ________ from the work site

A

35’

28
Q

welding and cutting is not allowed in a sprinklered building if ____________________

A

the sprinkler system is out of service

29
Q

permitted open fires shall be located not less than __________from any structure

A

50’

30
Q

fires in approved containers can not be less than _____ from a structure

A

15’

31
Q

burning hours shall be defined by the _____

A

AHJ

32
Q

tar kettles can not be used on a ______ or ______ a building

A

roof, inside

33
Q

tire storage piles shall be located at least ______ from lot lines and buildings

A

50’

34
Q

NFPA _____; standard for grandstands, folding and telescopic seating, tents and membrane structures

A

102