Inspector Chapter 9

Question 1

A fire inspector typically encounters three types of fire hazards:

Answer 1

Unsafe behavior, Unsafe Conditions, Hazardous processes

Question 2

_____ involves creating and maintaining a clean and safe environment.

Answer 2

Housekeeping

Question 3

Most wiring must be made permanent within _____.

Answer 3

90 Days

Question 4

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.

Answer 4

Intrinsically Safe Equipment

Question 5

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

Answer 5

Intrinsically Safe Equipment

Question 6

Location in which Flammable Vapors and gases may be present:

Answer 6

Class I Location

Question 7

Combustible Dust may be Found

Answer 7

Class II Location

Question 8

Ignitable Fibers may pose a threat.

Answer 8

Class III Location

Question 9

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

Answer 9

25 Feet

Question 10

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.

Answer 10

15 Feet

Question 11

Loading and Unloading Stations must be constructed on _____ _____.

Answer 11

Level Ground

Question 12

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

Answer 12

Static electrical Charges

Question 13

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

Answer 13

Metal chain or strap.

Question 14

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

Answer 14

Class IA through IC

Question 15

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

Answer 15

Class II, or Class IIIA and Class IIIB Liquids.

Question 16

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

Answer 16

5 years

Question 17

When not in use, hoses must be stored:

Answer 17

Away from direct sunlight.

Question 18

Bonding is not generally required if the hose has:

Answer 18

Vapor-tight connections.

Question 19

Detailed electrical inspections are typically the responsibility of:

Answer 19

Qualified electrical inspectors

Question 20

A common electrical hazard occurs when electrical equipment is:

Answer 20

Used Improperly

Question 21

Most fires in electrical equipments are caused by:

Answer 21

Arcing or overheating of surrounding materials to their ignition point.

Question 22

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

Answer 22

10 percent; 90 percent

Question 23

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

Answer 23

Pallet storage, Rack Storage, Solid Piling.

Question 24

Completely enclosed or surrounded as in a capsule

Answer 24

Encapsulating

Question 25

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

Answer 25

Pallet

Question 26

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.

Answer 26

3 to 4; 10

Question 27

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

Answer 27

4

Question 28

Combination of material and packaging that is for sale.

Answer 28

Commodity

Question 29

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

Answer 29

Rack Storage.

Question 30

Two main hazards associated with recycling plants are:

Answer 30

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

Question 31

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

Answer 31

95 Percent

Question 32

Fuel-fired incinerators are preheated for _____ before use.

Answer 32

30 minutes

Question 33

The two primary hazards HVAC systems pose are: Which is the higher concern?

Answer 33

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.

Question 34

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

Answer 34

Warm-Air Furnaces.

Question 35

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

Answer 35

Gravity Furnaces

Question 36

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

Answer 36

Forced-Air Furnaces.

Question 37

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

Answer 37

250F

Question 38

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

Answer 38

The 1960's

Question 39

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

Answer 39

Vessel

Question 40

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.

Answer 40

Boiler

Question 41

Two common types of boilers are:

Answer 41

Fire-Tube and Water-Tube

Question 42

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

Answer 42

Fire-tube

Question 43

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.

Answer 43

Water-Tube

Question 44

Most large boilers are of the _____ type

Answer 44

Water-Tube

Question 45

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

Answer 45

Unit Heaters

Question 46

Unit heaters may use 4 types of fuel:

Answer 46

Propane, Natural Gas, Kerosene, Electricity

Question 47

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

Answer 47

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

Question 48

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

Answer 48

Class 1 & 2, Class 2 will burn moderately.

Question 49

A Type I Vent hood is placed over:

Answer 49

Grease-producing equipment.

Question 50

A Type II Vent hood is placed over:

Answer 50

Equipment such as dishwashers and ovens.

Question 51

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.

Answer 51

18 inches

Question 52

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

Answer 52

3 Feet

Question 53

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

Answer 53

One Day

Question 54

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.

Answer 54

Class A

Question 55

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

Answer 55

Class B

Question 56

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.

Answer 56

Class C

Question 57

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.

Answer 57

Class D

Question 58

The most common type of powered industrial truck is:

Answer 58

The Forklift

Question 59

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

Answer 59

5 feet

Question 60

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

Answer 60

Hot Work

Question 61

Welding and thermal cutting is also called:

Answer 61

Hot Work

Question 62

Most common fuel gas for Thermal Cutting?

Answer 62

Acetylene

Question 63

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

Answer 63

35 Feet

Question 64

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

Answer 64

30 minutes

Question 65

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.

Answer 65

Spray Finishing

Question 66

_____ _____ 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.

Answer 66

Powder Coating

Question 67

_____ _____ 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.

Answer 67

Immersion Coating

Question 68

The most common flammable finishing operating is _____ _____.

Answer 68

Spray Finishing

Question 69

Airless Spray finishing systems operate at pressures ranging at:

Answer 69

100-600 PSIG.

Question 70

Compressed Air Spray finishing systems operate between:

Answer 70

5-20 PSI

Question 71

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.

Answer 71

25%

Question 72

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

Answer 72

8-11,000 cubic feet/minute

Question 73

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

Answer 73

1-hour

Question 74

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

Answer 74

Quenching

Question 75

_____ _____ are commonly used as a quench medium.

Answer 75

Mineral Oils

Question 76

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

Answer 76

150 gallons

Question 77

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

Answer 77

500 gallons

Question 78

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)

Answer 78

Group E

Question 79

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)

Answer 79

Group F

Question 80

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

Answer 80

Group G

Question 81

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.

Answer 81

Class II, Division I

Question 82

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.

Answer 82

Class II, Division II

Question 83

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.

Answer 83

99.5%

Question 84

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

Answer 84

Controlling dust and ignition sources.

Question 85

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

Answer 85

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

Question 86

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

Answer 86

25 Feet

Question 87

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

Answer 87

3-A:40-B:C extinguisher

Question 88

The primary hazards in craft distilling are _____ and _____

Answer 88

Fire and Explosions.

Question 89

The best way to control a distillery fire is to:

Answer 89

Control flammable vapors and ignition sources.