Inspector Chapter 9 Flashcards

1
Q

A fire inspector typically encounters three types of fire hazards:

A

Unsafe behavior, Unsafe Conditions, Hazardous processes

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2
Q

_____ involves creating and maintaining a clean and safe environment.

A

Housekeeping

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3
Q

Most wiring must be made permanent within _____.

A

90 Days

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4
Q

Equipment designed and approved for use in a flammable atmospheres that is incapable of releasing sufficient electrical energy to cause the ignition of a flammable atmospheric mixture.

A

Intrinsically Safe Equipment

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5
Q

Motors in particular may need to be non sparking and _____ _____ _____

A

Intrinsically Safe Equipment

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6
Q

Location in which Flammable Vapors and gases may be present:

A

Class I Location

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7
Q

Combustible Dust may be Found

A

Class II Location

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8
Q

Ignitable Fibers may pose a threat.

A

Class III Location

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9
Q

Loading and unloading stations for Classes IA through IC liquids must b located no closer than _____ from storage tanks, property lines, or adjacent buildings.

A

25 Feet

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10
Q

Loading and unloading stations for Class II and Classes IIIA and IIIB liquids must be located no closer than _____ from storage tanks, property lines, or adjacent buildings.

A

15 Feet

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11
Q

Loading and Unloading Stations must be constructed on _____ _____.

A

Level Ground

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12
Q

Some types of liquids, including light fuel oils, toluene, gasoline, and jet fuels, can develop _____ on their surfaces.

A

Static electrical Charges

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13
Q

To protect against static discharges, tanks must be bonded together with a:

A

Metal chain or strap.

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14
Q

Tanks need to be grounded to neutralize static charges when these liquids are loaded and unloaded.

A

Class IA through IC

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15
Q

Bonding and grounding are necessary when these classes of liquids are loaded into containers that have previously contained Classes IA through IC liquids.

A

Class II, or Class IIIA and Class IIIB Liquids.

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16
Q

Loading hoses furnished by the receiver must be properly maintained and replaced every _____.

A

5 years

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17
Q

When not in use, hoses must be stored:

A

Away from direct sunlight.

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18
Q

Bonding is not generally required if the hose has:

A

Vapor-tight connections.

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19
Q

Detailed electrical inspections are typically the responsibility of:

A

Qualified electrical inspectors

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20
Q

A common electrical hazard occurs when electrical equipment is:

A

Used Improperly

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21
Q

Most fires in electrical equipments are caused by:

A

Arcing or overheating of surrounding materials to their ignition point.

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22
Q

In an ordinary household lamp, Less than ___ percent of the electricity or current, is converted into light. Over ___ percent is converted to heat.

A

10 percent; 90 percent

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23
Q

Inspectors should know the code requirements for the three primary storage methods:

A

Pallet storage, Rack Storage, Solid Piling.

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24
Q

Completely enclosed or surrounded as in a capsule

A

Encapsulating

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25
Q

_____ storage may include encapsulating the pallets with plastic wrap, which creates additional hazards.

A

Pallet

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26
Q

With Pallet Storage, materials are generally stacked ____ to ____ feet high on each pallet, allowing several pallets to be stacked on top of each other approaching ____ feet in height.

A

3 to 4; 10

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27
Q

The air space between top and bottom layers of pallets are generally about ___ inches.

A

4

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28
Q

Combination of material and packaging that is for sale.

A

Commodity

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29
Q

_____ _____ represents the most challenging fire protection problem of the three primary methods because it exposes more surface area to a fire.

A

Rack Storage.

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30
Q

Two main hazards associated with recycling plants are:

A

Bulk storage of combustible materials and hazardous processes conducted on the premises.

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31
Q

Incineration can reduce the bulk of waste by as much as:

A

95 Percent

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32
Q

Fuel-fired incinerators are preheated for _____ before use.

A

30 minutes

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33
Q

The two primary hazards HVAC systems pose are:

Which is the higher concern?

A

The spread of fire and products of combustion through the air handling system and fire hazards from heating appliances.

Fire Hazards from Heating Appliances are the higher concern.

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34
Q

_____ are the most common type of central heating appliance in use today.

A

Warm-Air Furnaces.

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35
Q

Considered obsolete, operate primarily by the circulation of air without the use of fans. Generally located in Basements.

A

Gravity Furnaces

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36
Q

Rely on a fan to move heated air through a system.

A

Forced-Air Furnaces.

37
Q

Automatic controls are provided to turn of furnaces when the temperature within the ductwork or plenum reaches:

A

250F

38
Q

Floor furnaces are mostly found in single-family dwellings built before ___

A

The 1960’s

39
Q

Tank or container used to store a commodity that may or may not be pressurized:

A

Vessel

40
Q

A _____ is a pressure vessel that is used for a variety of industrial processes, including generating steam to power machinery and providing heat that the industrial process requires.

A

Boiler

41
Q

Two common types of boilers are:

A

Fire-Tube and Water-Tube

42
Q

In a _____ boilers, the combusting gases pass through tubes that are immersed in circulating water, which is converted to steam.

A

Fire-tube

43
Q

A _____ boiler, is a steam-generating unit in which steam and water circulate through a series of small drums and tubes, while the combustion gases pass over the outside of these steam-and water-containing elements.

A

Water-Tube

44
Q

Most large boilers are of the _____ type

A

Water-Tube

45
Q

_____ _____ are self-contained devices that are thermostatically controlled.

A

Unit Heaters

46
Q

Unit heaters may use 4 types of fuel:

A

Propane, Natural Gas, Kerosene, Electricity

47
Q

The primary safety concern associated with ventilation systems is the potential fore:

A

Transmission of fire, smoke, and products of combustion through the air distribution systems.

48
Q

UL classifies filters in two classes, what are they and which will burn more.

A

Class 1 & 2, Class 2 will burn moderately.

49
Q

A Type I Vent hood is placed over:

A

Grease-producing equipment.

50
Q

A Type II Vent hood is placed over:

A

Equipment such as dishwashers and ovens.

51
Q

Inspection of a ventilation hood system should verify a clearance of at least _____ from any combustible material unless the equipment is specially designed for a lesser clearance.

A

18 inches

52
Q

With Solid-Fuel Cooking Equipment, Equipment must be installed on noncombustible floors that extend _____ from the outside of the appliance in every direction.

A

3 Feet

53
Q

_____ amount supply of solid fuel is allowed in the same room as a solid-fuel cooking appliance.

A

One Day

54
Q

Ovens/Furnaces: Operates at approximately atmospheric pressure and has a potential for exploring or fire hazard when flammable volatiles or combustible materials are processed or heated.

A

Class A

55
Q

Ovens/Furnaces: Operates at approximately atmospheric pressure where no flammable volatiles or combustible materials are being heated.

A

Class B

56
Q

Ovens/Furnaces: Has a potential hazard due to a flammable material being used or a special atmosphere is present; can use any type of heating system and includes a special atmosphere supply system; includes integral quench furnaces and molten salt bath furnaces.

A

Class C

57
Q

Ovens/Furnaces: Operates at temperatures from above ambient to over 5,000F; also operates at pressures normally below atmospheric using any type of heating system.

A

Class D

58
Q

The most common type of powered industrial truck is:

A

The Forklift

59
Q

Industrial Trucks: Chargers for electric batter-operated units should be kept at least _____ from combustible materials.

A

5 feet

60
Q

Any operation that requires the use of tools or machines that may produce a source of ignition.

A

Hot Work

61
Q

Welding and thermal cutting is also called:

A

Hot Work

62
Q

Most common fuel gas for Thermal Cutting?

A

Acetylene

63
Q

During Hot work operations, an area of at least _____ radius away from combustible materials.

A

35 Feet

64
Q

Hot Work workers must maintain a fire watch for at least _____ after any welding or thermal cutting operation is completed.

A

30 minutes

65
Q

In _____ _____, the primary hazard comes from pressurizing a flammable or combustible liquid and discharging it through a small orifice. The pressure creates an aerosol, which consists of numerous small droplets with little mass and a large surface area that is easily ignited.

A

Spray Finishing

66
Q

_____ _____ involves the suspension of electrically charge combustible powders like polyester resin and applying them to a metal or plastic part with a negative electrical charge. The hazard in this process is flash fire or explosion.

A

Powder Coating

67
Q

_____ _____ involves the placement of a suspended article into an open dip tank of flammable or combustible liquids. Constant Vapor production as the liquid evaporates increases the risk of fire.

A

Immersion Coating

68
Q

The most common flammable finishing operating is _____ _____.

A

Spray Finishing

69
Q

Airless Spray finishing systems operate at pressures ranging at:

A

100-600 PSIG.

70
Q

Compressed Air Spray finishing systems operate between:

A

5-20 PSI

71
Q

In Spray finishing, the mechanical ventilation system must be designed to maintain the atmosphere inside the spray booth or spray room at an atmosphere less than _____ of the lower flammable limit for the most volatile flammable liquid that is applied.

A

25%

72
Q

A conventional spray booth designed for a passenger automobile is designed to exhaust at a rate of ______

A

8-11,000 cubic feet/minute

73
Q

Immersion Coating: The dip tanks and resistors should be contained in _____ fire-rated construction.

A

1-hour

74
Q

_____ is the immersion of a metal part in a quench medium.

A

Quenching

75
Q

_____ _____ are commonly used as a quench medium.

A

Mineral Oils

76
Q

All quench tanks should have drains to protect from overflow, particularly those that contain _____ of quench oil or more.

A

150 gallons

77
Q

Any tank over _____ must have a bottom drain that opens automatically or manually in the event of a fire.

A

500 gallons

78
Q

Combustible Dusts: Metal dusts including aluminum, magnesium, their commercial alloys, and other dusts whose particular size, abrasives, and conductivity present hazards in the use of electrical equipment.
(Group E, F, or G)

A

Group E

79
Q

Combustible Dusts: Voatile dusts containing more than 8 percent carbonaceous materials. Materials include coal, carbon black, charcoal, and coke dusts present in a manufacturing and power prosecuting facility.
(Group E, F, or G)

A

Group F

80
Q

Combustible Dusts: Dust atmospheres produced in flower, grain, wood, plastic, and chemical processing operations.
(Group E, F, or G)

A

Group G

81
Q

Combustible Dusts: Combustible dusts in the air under normal operating conditions and in sufficient quantities to produce an explosive or ignitible mixture; mechanical failure or abnormal operation of machinery might cause such an ignitible mixture to be produced; Group E combustible dusts are in quantities sufficient to be hazardous; dust accumulations are greater than 1/8 inch thick under normal conditions.

A

Class II, Division I

82
Q

Combustible dust is produced du to an abnormal operation and is present to produce explosive or ignitible mixtures; dust accumulations have occurred but are normally insufficient to interfere with normal operation of electrical equipment; accusation of combustible dust on or in the vicinity of electrical equipment could lead to its ignition by abnormal operation or failure of the electrical equipment.

A

Class II, Division II

83
Q

Active-dust controls, known as air material separators, are usually mechanical dust-collection systems capable of collecting _____ of the dust and storing it in bins outside of the facility.

A

99.5%

84
Q

The keys to preventing fires in materials-handling facilities are:

A

Controlling dust and ignition sources.

85
Q

The most common place for fires to occur in woodworking operations is at the:

A

Dust Hogger, a machine that turns scrap wood into splinters or chips.

86
Q

Tar/Asphalt Kettles: A portable fire extinguisher rated 40-B:C must be located within ____ of the Kettle.

A

25 Feet

87
Q

If a kettle is being used for roughing, an additional _______ must be available.

A

3-A:40-B:C extinguisher

88
Q

The primary hazards in craft distilling are _____ and _____

A

Fire and Explosions.

89
Q

The best way to control a distillery fire is to:

A

Control flammable vapors and ignition sources.