IFSTA Inspector Flashcards Preview

Engineers Test > IFSTA Inspector > Flashcards

Flashcards in IFSTA Inspector Deck (141):
0

What is the single most important non emergency activity

Fire prevention inspections

1

What is a discretionary act

Actions fire inspectors consider necessary to fulfill their responsibility

2

Are federally owe need buildings required to comply with local codes

No

3

What three categories do fire safety regulations fall into

Regulations for construction, regulations for activities in the building after it is constructed, regulations for maintenance of building components

4

Here does the permit process begin

Occupant or property owner recognizing the need to get a permit.

5

What is the publics main contact with the fire service

Inspections and pr

6

What is the most important part of the inspection process

Preparation

7

What are the three common methods of performing an inspection

Roof to floor, basement to ceiling, follow flow of manufacturing

8

During a reinspect, what is inspected

Only the problem areas

9

How long does IFSTA recommend keeping inspection documentation

For the entire life of the building

10

How does heat travel

From warm to cold

11

What is fire resistance defined

The ability of a structural assembly to maintain its load bearing ability under fire conditions

12

What are doors and windows tested for?

Fire endurance and hose stream test

13

How do interior finishes get tested and for what

They use the Steiner tunnel test and it tests flame spread ratings

14

What is the smoke developed rating

It's not the toxicity of smoke but the the visual obstruction

15

What is fire load

The maximum heat that cen be produced if all the combustible materials in an area burn

16

What is a slight fire load

Typical fire load, 5 PSF

17

What is a moderate fire load

Typical fire load, 10 PSF

18

What is moderately severe fire load

Typical fire load, 10 to 15 PSF

19

What is severe fire load

Typical fire load, 15 to 20 PSF

20

What is very severe fire load

Typical fire load, greater than 20 PSF

21

What are the classes of roof coverings

Class A through C, class A being the best fire retardant and class C being the least

22

What does a fire wall do and how is it constructed

Prevents the spread of fire within a structure. It goes from the foundation through the roof covering and extends above the roof.

23

What is a fire partition

A wall that has a lesser fire rating than a fire wall and only extends from one floor to the underside of the floor above or the ceiling

24

Which is supported by structural members, fire walls or fire partitions

Fire partitions are supported by structural members

25

What makes up the fire door

Fire door, door frame, closing and latching hardware, and other accessories

26

Fire doors that lead to exit enclosures must be

Hinged

27

Fire doors that are installed for life safety purposes must

Be electronically activated by the suppression or detection system to close

28

What type of glass is in a fire door

Wire glass

29

How tall must draft curtains be

At least 20 percent of the ceiling height but not extend below 10 feet from the floor

30

What is the maximum distance between draft curtains

Should nay exceed 8 times the ceiling height and no closer than twice the ceiling height

31

How are fire dampers typically activated

Fusible link

32

How are smoke dampers typically activated

Through the detection system

33

Where are smoke dampers required

Any duct that passes through smoke barrier partitions

34

What are the four methods of making a material fire retardant

Chemical changes, impregnation, pressure impregnation, coating

35

What is intumescent paint

Used on wood or wood products, swells to a puffy form and excludes oxygen, produces diligent gases, reduces production of flammable gases

36

What is a mastic

Thick substance sprayed or applied to wood for fire retardant reasons

37

What do gas forming paints do

Produce gases that displace oxygen and prevents ignition when exposed to heat

38

What is an amp

Quantity of electrical flow

39

What is voltage

Electrical pressure

40

What is ohms

Electrical resistance

41

What are common generators of static electricity

Nonconductive fluids flowing through pipes, liquids breaking into droplets and hitting solid surfaces, air gas or steam flowing from an opening, pulverized material flowing, belts in motion, moving vehicles

42

What four questions should an inspector ask regarding static electricity

Is there a source do static electricity, is there a conductor, will there be a spark discharge of sufficient energy, is there an ignitable mixture present

43

How can static electricity be prevented

Rh of 60-70, bonding and grounding, ionizing the air

44

What is one of the largest fire hazards in small and medium sized communities

Lumberyard

45

How far should stacked materials be below sprinkler heads

At least 18 inches

46

What is the most critical item of inspection in a warehouse

Sprinkler system

47

When is a fire watch required when welding

If combustible materials with 35 feet cannot be moved, or window and door openings cannot be covered within 35 feet

48

How long should a fire watch stay during welding

At least 30 minutes after welding has stopped

49

Here should portable heaters nor be placed

In the means of egress

50

In a hood system. How often should fusible links be replaced

Annually

51

What is the major cause of fires in powder coating processes

Static electricity

52

In a dry cleaning room how must exits be arranged

Must have at least two exits on opposite sides and one must lead directly outside

53

What is the best way to prevent fires in woodworking areas

Control dust and ignition sources

54

Ow many extinguishers must be present in a tar kettle operation

At least two within 25 feet

55

What are some requirements of a constructed tent

Everything must be tagged as fire retardant, minimum ten feet spacing to tent poles, straw and wood shavings must be treated, grasses must be mowed within ten feet of the tent.

56

Type I construction

Known as fire resistive, structural members are made of noncombustible materials

57

Type II construction

Referred to as non combustible, similar to type 1 but not as fire resistance

58

Type III construction

Ordinary construction, exterior and structural walls made of non combustible materials, all others are made of wood

59

Type IV construction

Heavy timber, interior structural members are made of solid or laminated wood with no concealed spaces

60

Type V construction

Wood frame construction

61

What are the nine occupancy classifications in NFPA 101

Assembly, educational, health care, detention and correction, residential, mercantile, business, industrial, storage

62

What defines a place of assembly

50 or more persons

63

What are the classes of assemblies

A is 1,000 or more, B is 300 to 1,000, C is 50 to 300

64

What defines an educational facility

Building for educational purposes up through the 12th grade by six or more persons, four hours a day or more than 12 hours per week

65

What defines a detention or correctional occupancy

Provides sleeping facilities for 4 or more residents

66

What defines residential occupancy

Sleeping accommodations are provided for normal residential purposes

67

When a small merchantile is within a larger more predominant occupancy, what does the smaller fall into

The more predominant occupancy, such as a gift shop in a hospital

68

What are examples of a business occupancy

Dr offices, general offices, city halls, courthouses , college classrooms with under 50 people, instructional laboratories

69

What defines industrial occupancy

Properties devoted to processing, assembly, mixing, packaging, finishing, decorating, or repairing

70

What is means of egress

Continuous and Unobstructed way of exit travel from any point in a building to a public way

71

What three things does means of egress consist of

Exit access, exit, and exit discharge

72

What is exit access

Portion of a means of egress that leads to the exit, hallway

73

What is an exit

Means of egress that is separated from other areas of the building, provides protected path necessary to proceed to the exterior of the building

74

What is the exit discharge

Means of egress that is between the exit and the public way, example is an alley that connects the exit to the street or sidewalk

75

Which way must the exit door open and under what circumstances

The direction of travel when 50 or people are present or the area is considered hazardous

76

How wide must the exit door be

At least 32 inches but no more than 48 inches

77

What are the weight minimums of panic hardware

Actuation of the latch should take less than 30 pounds and setting the door in motion should take less than 15 pounds

78

Stairway widths

Less than 50 people width is at least 36. More than 50 people width is at least 44 inches

79

When can horizontal exits substitute for other exits

If they don't make up more than 50 percent of the total building exits

80

How wide must exit ramps be

At least 30 inches wide

81

Where can escalators not be located

As any part of the means of egress

82

What must exit lighting be

Illuminated at all times during periods of occupancy and at least 1 foot candle at floor level, no more than 100 feet of visibility to the next nearest sign, letters at least 6 inches and stroke of 3/4 of an inch

83

What are the three key components of an evacuation plan

Evacuation routes, monitor duties, employee duties

84

How often should fire drills be performed for most occupancies

At least two per year

85

Both automatic sprinkler systems and standpipe systems are dependent on what

Adequate water supply

86

Sprinkler control valves must be what

Indicating

87

What is the minimum residual pressure required in a water system supplying a sprinkler system

15 psi residual at the highest sprinkler

88

How high must the water source be that is supplying sprinklers by gravity

Bottom of the tank at least 35 feet higher than the highest sprinkler

89

When does the inspector operate any portion of the protection system

Never

90

What are the number requirements for spare sprinkler heads

1-300 heads needs 6 spares
301-1,000 heads needs 12 spares
1,001 or more heads needs 24 spares

91

What is a frequent cause of a sprinkler systems inability to control fires

A change in the buildings occupancy or contents

92

What does the retard chamber do

Allows surges of water to partially fill the chamber and then drain, eliminating false alarms

93

What are the inspectors primary concern when inspecting wet sprinkler systems

Valves, sprinklers, piping, water supply

94

Motors that power fire pumps should be started how often

Diesel engines, every week
Electric motors, every month

95

Ow often should the air pressure in a dry pipe sprinkler system be checked by plant personnel

Weekly

96

Do residential or commercial sprinklers operate faster

Residential, this is the main difference between the two

97

Residential sprinkler spacing

Max of 144 square feet per head, no more than 12 feet between sprinklers and no more than 6 feet from a wall

98

How does a water mist system suppress fire

In theory raises the humidity in a compartment to 100 percent

99

What is the minimum water supply in a class I and III standpipe system

500 gpm

100

What is the minimum riser size for class I and III standpipes

Less than 100 feet is 4 inches, greater than 100 feet is 6 inches

101

What is the most common fire pump motor

Electric

102

What are the three types of distribution systems

Gravity, direct pumping, and combination

103

What are the three main feeders and sizes in a distribution system

Primary feeders, 16 inch
Secondary feeders, 12 inch
Distributors, 8 inch

104

How often should water main valves be operated

At least once a year

105

What needs to happen before a flow test is started

Notify the water department official

106

What is the minimum residual pressure required in a water system

20 psi

107

What is a warning about carbon dioxide extinguishers

It is an asphyxiant, do not use in small confined spaces such as a closet

108

What are the two disadvantages of halon agents

Toxicity and effects on the environment

109

Extinguisher mounting heights

Less than 40 pounds the top of extinguisher should be no more than 5 feet from the floor
More than 40 pounds the top of the extinguisher should be no more than 31/2 feet from the floor
In no case shall the bottom be less than 4 inches from the floor

110

How often do extinguishers need to be inspected per OSHA

Every month

111

What three factors determine the value of an extinguisher

Serviceability, accessibility, users ability to operate it.

112

When is an automatic sprinkler system considered successful

When it controls a fire

113

When is a specialized extinguishing system considered successful

When it extinguishes a fire

114

When is a dry chemical extinguishing system used

When a rapid fire knockdown is required

115

When is a wet chemical extinguishing system best suited

Commercial cooking hoods, ducts, and associated cooking appliances

116

When is a halon extinguishing system used

Class b and c fires where a "clean" agent is required

117

Who can inspect halon systems

Only qualified individuals

118

What is the most serious problem involving carbon dioxide total flooding extinguishing system

Personnel safety

119

What is necessary to produce high quality fire fighting foam

Foam concentrate, water, air, mechanical agitation

120

What is the solution ratio of low expansion foam

7:1-20:1

121

What is the fluid ratio for medium expansion foam

20:1-200:1

122

What must a fixed foam system have

Adequate water supply, foam concentration supply, piping system, proportioning equipment, foam makers

123

A secondary power supply for a detection system must turn on within

30 seconds of loss of main power

124

What is the mounting height for fire alarm pull stations

Bottom of the box is Between 31/2 and 41/2 feet from the floor

125

WHat type of smoke detector responds best to which fire

Ionization best for flaming fires, slower for smoldering fires

126

Permenant record of detector tests should be kept on file for how long

Minimum of five years

127

Per IFSTA how many gallons makes a container

60 gallons or less

128

How many gallons makes a portable tank

More than 60 gallons

129

How far should tanks be spaced

At least 3 feet

130

How far away should LPG containers be away from flammable or combustible liquid storage tanks

At least 20 feet

131

How far should LPG vents be away from buildings

12 feet

132

What does a containment dike over 3 feet high need

A two foot wide flat section at the top

133

What tanks need no special fire protection features

Less than 660 gallons

134

What is the maximum allowable size for a safety can

5 gallons

135

Entry ways that lead to rooms storing containers of combustible liquids should be

Raised sill and liquid tight

136

Should empty and full cylinders be stored together

No

137

Per NFPA what is the maximum allowable gallons for LPG tanks

120,000 gallons

138

When storing cylinders, how many points of contact should each tank have

3 points

139

What does an oxidizer do when exposed to heat

Releases oxygen that accelerates the fire

140

What do you call a chemical that causes irreversible destruction or harm to skin tissue

Corrosive