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Fire Inspector > Fire inspector part 4 > Flashcards

Fire inspector part 4 Flashcards

1
Q

If a fire hazard has been reported, before inspection you must notify the building occupant?

A

The nature of the hazard

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2
Q

All portable tanks greater than ____ should be treated according to the same standards as fixed tanks?

A

60 gallons

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3
Q

Fire extinguishers less than 40lbs should be mounted no higher than _____ feet from the floor

A

5

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4
Q

An angle cut on a wooden joist to lessen the possibility of wall collapse in case

A

Fire cut

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5
Q

What type of detector operates on two types of metal that have different heat expansion ratios?

A

Bimetallic

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6
Q

What should not be operated below 400degrees F

A

Drop out panel

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7
Q

What is fire resistance?

A

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

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8
Q

A horizontal structure member used between posts, columns, or walls?

A

Beam

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9
Q

What is the activation temperature of on orange head sprinkler?

A

500-575F

Classified as ultra-high

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10
Q

The thickness of wood used for fire stopping is what?

A

no less than 2 inches

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11
Q

What are the hazards of dip tank operations?

A

Fire involving the liquids and explosions involving vapor and air mixtures

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12
Q

What is the hour rating of the roof in a dry cleaning facility?

A

Not less than one-hour

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13
Q

What is the discharge size of the inspectors test connection?

A

The discharge orifice shall be equal in size to the smallest sprinkler in the system

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14
Q

What is the rating for doors in a smoke proof enclosure?

A

20 minutes

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15
Q

The maximum amount of heat that can be produced if all the combustible materials in a given area burn

A

Fire load

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16
Q

Rate of rise detectors depends on what?

A
  • Expansion characteristic of heat

- will activate if temperatures rises 12-15 degrees per minute

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17
Q

What type of door is required for flammable storage room?

A

self-closing

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18
Q

What is a birds mouth cut?

A
  • A cut in the rafter to make it fit flush on the top plate

- consists of the plumb cut and the seat cut

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19
Q

What is a floor plan?

A

a sectional view taken on a horizontal plane 42” to 48” above the floor

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20
Q

What is an exploded pictorial drawing?

A
  • Used to show the relative position of parts or construction detail
  • used to clarify assembly
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21
Q

What type of material is halon ineffective on?

A

self-oxidizing

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22
Q

What drawing is the most realistic view?

A

The pictorial drawing

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23
Q

Which landings have standpipe connections in scissors stairs?

A

Alternating floors

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24
Q

If a straight line is not running horizontal or vertical, which way is it running?

A

An inclined line

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25
Q

What is the minimum clearance from combustible materials for cooking equipment?

A

18 inches

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26
Q

In regards to the ordinary household lamp, what are the percentages of light and heat?

A

10% energy is light

90% energy is heat

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27
Q

What are the two common types of extinguishing agents in hood systems?

A

Potassium Carbonate

Potassium Acetate

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28
Q

What is the minimum distance between above ground flammable or combustible storage tanks?

A

3 feet

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29
Q

What is the minimum rating of a door into an exit access corridor?

A

20 minutes

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30
Q

What is a gusset plate?

A

a piece of metal or plywood used to reinforce a joint of a truss

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31
Q

Most electrical fires are caused how?

A

Arcs

overheating

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32
Q

What are the four basic components of a dry chemical extinguishing system?

A

Storage Tank
Piping
Nozzles
Actuating Mechanism

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33
Q

How many people should be on of a board of appeals?

A

5-7

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34
Q

Balconies and Mezzanines with a load greater than 100 must have how many means of egress?

A

Not less than two

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35
Q

To water flow test a sprinkler system, what is used?

A

Inspectors test valve

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36
Q

Residential sprinkler systems require what size piping and what supply requirements?

A

Minimum of 3/4 inch piping

May use domestic water supply with a single household shut-off preventing closing the water to the system without shutting household supply also

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37
Q

NFPA 30 covers what?

A

Combustible and flammable liquids codes

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38
Q

What is the minimum distance needed between LPG and other flammable liquid storage tanks?

A

20 feet

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39
Q

What defines educational occupancies?

A
  • Used for educational purpose
  • K through 12th grade
  • By 6 or more persons
  • For more than 4 hours a day or 12 hours per week
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40
Q

A continuous and unobstructed way of travel from any point in a building or structure to a public way consisting of 3 separate and distinct parts

A

Means of Egress

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41
Q

What are the 3 parts of Means of Egress?

A

The Exit Access
The Exit
The Exit Discharge

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42
Q

Do fire escape stairs count as a means of egress?

A

No

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43
Q

What fire rating must exposed supports for above ground tanks have?

A

2 hours or more

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44
Q

The temperature at which the vapor pressure of the liquid is equal to the external pressure applied to it?

A

Boiling Point

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45
Q

What type of ID is required for bulk haz-mat storage?

A

a 4 digit ID number

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46
Q

What are the steps for performing the main drain test?

A

Observe
Open
Observe
Close

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47
Q

What is used to test a wet pipe system to prevent unseating the alarm valve?

A

It is tested with the alarm bypass valve

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48
Q

What is the covering over studs called?

A

Sheathing

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49
Q

Any loads to a building other than a live load

A

live load

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50
Q

When the end of a joist is cut off at an angle to permit the joist to fall out of the masonry wall without damaging the wall

A

Fire cut

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51
Q

What are two methods of pre-stressing concrete?

A

Pre-Tensioning (done at the plant)

Post-Tensioning (done at the job site)

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52
Q

Made by sandwiching a piece of steel between two wooden beams

A

Flitch plate girder

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53
Q

What does veneer do?

A

It improves the appearance of the building &

It is non-load bearing

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54
Q

In an isometric drawing, what angles are the horizontal planes drawn above the horizon?

A

30 degrees

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55
Q

What increments do modular drawings use?

A

4

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56
Q

Support for a masonry opening, usually steel or special form, such as pre-cast concrete

A

Lintel

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57
Q

A list of details or sizes for building components such as doors, windows, or beams (done by the architect)

A

Schedule

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58
Q

What are hidden lines?

A

Medium weight and composed of short dashed

The define edges and surfaces that are not visible in a particular view

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59
Q

What is a sectional line?

A
  • Used in a sectional view to show that the material has been “cut” by the cutting plane
  • Also called cross-hatch lines
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60
Q

Is exit access permitted through dining rooms and sitting rooms

A

Yes.

NOT through kitchens or storage rooms

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61
Q

Where is the anunciator panel located in a building?

A

In an approved area by the AHJ

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62
Q

What is the minimum height something may project from the ceiling?

A

6’ 8” from the floor

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63
Q

What is the purpose of the Life Safety Code?

A

to provide MINIMUM requirements for life and safety from fire and similar emergencies

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64
Q

If sprinkler heads are omitted from a closet, it may not be over what size?

A

24 sq feet

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65
Q

Is a painting plan a common type of plan?

A

NO

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66
Q

The length of a line running between two points on the circle passing through the center?

A

Diameter

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67
Q

Two or more conductors carrying electricity from the source to the electrical device and returning

A

Circuit

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68
Q

A rafter that extends from an outside corner of a building to the ridge board, usually at 45 degrees to the ridge

A

Hip rafter

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69
Q

Extends from the top plate of a building to the hip rafter

A

Hip jack

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70
Q

The horizontal member at the peak of the roof

- upper ends of the rafter are connected to it

A

ridge

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71
Q

What is the internal forces in a building which resist the load?

A

Stress and strain

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72
Q

A known elevation of a plot plan

A

Benchmark

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73
Q

A drawing showing the location of a building on its plot of land and various details of the land

  • Also called a site plan
A

Plot Plan

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74
Q

What is another name of the solution composed of potassium carbonate?

A

A wet chemical extinguishing agent

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75
Q

Sometimes used for floors in mobile homes

- wood chips glued together to make flat sheets

A

chipboard

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76
Q

Bricks laid so the long side is visible

A

Wythe

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77
Q

A wood joist spanning wall to wall

A

Simple beam

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78
Q

At what temperature does steel begin to fail?

A

above 1000 degrees F

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79
Q
  • Suited for delicate electrical equipment
  • Not suited for deep seated Class A fires
  • The system should be tested semi-annually
A

Halon extinguishing systems

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80
Q

What is the operating PSI of a pressurized water extinguisher?

A

100 PSI

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81
Q

When should fire pumps be tested?

A

weekly (should be done by the in-plant managers)

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82
Q

Opens when the system flows water allowing water from the supply side and also opens the piping to the retard chamber?

A

Clapper valve

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83
Q

What is used to test a wet system?

A
  • Opening the main drain valve allowing the alarm to activate
  • Take measurements of the water system:
  • before testing
  • during the test
  • after the test
  • compare the readings
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84
Q

When is pre-action system used?

A

When it is especially important that the water damage be prevented, even if the sprinkler pipes break accidentally

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85
Q

A heat detector that uses two types of metal that have different heat-expansion ratios?

A

Bimetallic detector

86
Q

Hydrostatic testing of extinguishers?

A

Should be done every 5 years for most extinguishers

- Dry chemical one less than 150lbs made with a steel shell should be tested every 12 years

87
Q

NFPA Placards:

Blue is for:

A

Health hazards

88
Q

NPFA Placards:

A “P” on it indicates:

A

there is a potential for the material to undergo auto-polymerization

89
Q

NFPA Placards:

The numbers 0-4 rates the hazard with ____ being the highest hazard

A

4

90
Q

Typically the slowest type of system. Very reliable due to sensitivity

A

Heat detector

91
Q

Who tests dry chemical extinguisher system?

A

reputable contractor

92
Q

Wet system testing

A

Should be done monthly

- performed by the in-plant inspector

93
Q

The generation of Carbon Monoxide in concealed spaces can be how much greater than in the open?

A

50 times greater

94
Q

How tall is the typical Platform-frame construction building

A

3 stories

95
Q

When heated to 1000 degrees F, steel will expand how much per 100 feet?

A

9 1/2 inches

96
Q

What temperature is an ordinary sprinkler head rated at?

A

165 degrees F

97
Q

is the chief characteristic of ordinary construction?

A

The exterior walls are made of masonry

98
Q

What is the practical limit distance for a simple wood beam floor?

A

25 feet

99
Q

What is the outer weather surface placed over sheathing called

A

Siding

100
Q

What type of construction with exterior weight bearing walls has a 1 hour fire resistance rating?

A

Ordinary construction

101
Q

In a butterfly valve, thee gate rotates _____ degrees IN the water way

A

90

102
Q

It operates with a 1/4 turn and will have pointer arrow that shows the position of the valve

A

Butterfly valve

103
Q

How are sprinkler valves kept in the open position?

A
  • By a locked chain
  • By another locking mechanism
  • By an electronic detection device
104
Q

It pre-fills with water during surges prior to allowing water to the electronic alarm thus preventing false alarms

A

Retard chamber

105
Q

Air is removed rapidly from a dry pipe system by:

A
  • An accelerator

- An exhauster

106
Q

What are the requirements for spare heads?

A

1-300 heads require 6 spares
301-1000 heads require 12 spares
1001 or more require 24 spares

107
Q

What is the color of the frangible bulb of an ordinary sprinkler head?

A

Orange or Red

108
Q

What are the water supplies for systems?

A
  • municipal water
  • gravity tank
  • reservoir tank with a pump
  • pressure tank
109
Q

What is the pressure at the highest sprinkler head in the system?

A

15 PSI, with 7 PSI residual

110
Q

Standpipe systems are needed in buildings where:

A
  • it is greater than 75’ to the highest occupied floor

- Large one-story buildings

111
Q

Standpipes must be located in:

A

non-combustible, fire rated stairwells

112
Q

Basic PSI elevation figure is:

A

.434 lbs of pressure required to raise water one foot

113
Q 
Basic PSI elevation rule for FD is \_\_\_ psi per floor
(The class B rating test)
A

5

114
Q

Every 1sq ft of fuel corresponds to every _______ rating

A

1-B

115
Q

Pressurized water extinguishers must have a minimum effective discharge range of ___’ for a ____ second period

A

30’ for a 40 second

116
Q

Dry chemical and dry powder must have minimum horizontal range of ____ ‘

A

10’

117
Q

Common Dry Chemical Agents are:

A

Sodium Bicarbonate
Potassium Bicarbonate
Monoammonium Phosphate

118
Q

Internal pressure of extinguishers:

A

Vary from 100psi to 850 psi

119
Q

Fire apparatus extinguisher needs:

A

TWO rated for Class B:C fires
- One dry chemical; must have a rating of 80-B:C
- One CO2; must have a rating of at least 10B:C
ONE rated for Class A fires
- One 2 1/2 gallon or larger water extinguisher

120
Q

The three types of fire pump drivers are:

A

Electric motor
Diesel motor
Steam motor

121
Q

A pump that intakes from a low-pressure municipal main and boosts the pressure to levels required for the fire suppression system

A

A booster pump

122
Q

What is difference between interior and exterior plywood?

A

The type of adhesive used

123
Q

In what ways is steel strength used?

A

Both in tension and compression

124
Q

Regarding solid piling storage, it presents fewer paths for fire development because of:

A
  • it contains no horizontal voids

- it simply stacks merchandise cartons or cases directly on top of each other

125
Q

What does PIV and WPIV stand for?

A

Post Indicator Valve

Wall Post Indicator Valve

126
Q
  • creeping or sliding apart of the fusible link of a sprinkler head
  • It is caused by the repeated heating of a sprinkler head to near its operating temperature
A

Cold Flow

127
Q

Strong air flow patterns in vertical shafts of high-rise structures

A

Stack effect

128
Q

How often should a halon extinguishing system be tested?

A

Semi-annually

129
Q

What type of Class A fire is halon not very effective on?

A

A deep seated class A fire

130
Q

How often are fire pumps for standpipes tested?

A

Weekly

131
Q

Mounting requirements for fire alarm pull boxes are?

A
  • The bottom is less than 3 1/2’ from the floor and no more than 5’
  • travel distance may not exceed 200’
  • In multi-story buildings there should be at least one per floor
132
Q

How often should extinguishers of 150 lbs or less by hydrostatically tested?

A

Once every 12 years

133
Q

Is a partition wall load bearing?

A

No

134
Q

In a lodging or rooming house where a sleeping room is above the level of exit discharge, the primary means of escape should be what?

A
  • enclosed stairway
  • horizontal exit
  • exterior stair
  • fire escape
135
Q

orthographic projections are what?

A

three dimensional

136
Q

What type of sprinkler system will not cause damage if a pipe breaks?

A

Pre-action system

137
Q

What are the three classes of standpipe systems?

A

Class I: For use only by fire personnel only
Class II: For use by occupants only
Class III: For use by both fire personnel and occupants

138
Q

How many square feet may a sprinkler cover in a low hazard?

A

225 sq ft

139
Q

What type of mortar is for underground masonry?

A

Type M

140
Q

On what plans are the HVAC systems usually shown on?

A

Mechanical plan

141
Q

In metric conversion, what does one inch equal?

A

25.4mm or 2.54

142
Q

What are dimension lines?

A
  • They extend for the length of the distance being measured

- Extension lines are drawn perpendicular to the extension lines

143
Q

A minute is _____ of a degree

A

1/60th

144
Q

similar to Oblique drawings

True shape and size are shown in the front view

A

Parallel perspective drawings

145
Q

What type of doors do freight elevators have?

A

Counter balanced doors

146
Q

What is the date used for using the in effect code when building a new occupancy?

A

The date of the plan approval

147
Q

The proper order to inspect a building is:

A
  • from top to bottom
  • from bottom to top
  • follow a specific plant process from beginning to end
148
Q

With all other conditions being equal, a structure will sustain its greatest load when the load is :

A

Axial

149
Q

What is the name of a beam with the shape of a “C” of a “U”?

A

Channel Beam

150
Q

What is the thickness of a trap door for a stage?

A

1 1/2”

151
Q

Mezzanines can take up no more then ____ of the total room

A

1/3 of the room

152
Q

What distance can a rigid beam span?

A

100’

153
Q

How often are sprinkler systems tested?

A

Quarterly

154
Q

What is the proportion of liquid to air in a pressurized tank at 75 psi?

A

2/3 liquid to 1/3 air

155
Q

How long will rough cut timber last in fire?

A

5 minutes per inch

156
Q

What is another term for pictorial drawings?

A

Renderings

157
Q

What are three activating devices on a sprinkler head?

A

Fusible link (most common)
Glass bulb
Chemical pellet

158
Q

When a sprinkler is supplied by a water tank, what is the required height?

A

35 feet above the highest sprinkler head

The pressure of the tank must be at least 75psi when the tank is 2/3 full

159
Q

What temperature does aluminum melt at?

A

1200 degrees F

160
Q

At what temperature do cold drawn steel cables fail?

A

800 degrees F

161
Q

The tapered extensions at the top of columns which transfers loads from the floor to the column

A

mushroom cap

162
Q

What are the two common types of smoke detectors?

A

Ionization

Photo-electric

163
Q

What is the flammability percentage range for carbon monoxide?

A
  1. 5% to 74%

- ignition temperature of 1128 degrees F

164
Q

What are the five basic principles of inspecting?

A
  • interaction with people
  • preparing for the inspection
  • the inspection
  • follow up inspections
  • maintaining the file
165
Q

What are the five categories of heat energy?

A 
chemical
electrical
mechanical
nuclear
solar
166
Q

Measures the quantity of electricity?

A

Amps

167
Q

Measures the pressure of electricity?

A

Voltage

168
Q

Measures the resistance of electricity?

A

Ohm

169
Q

What is the color coding and GPM on hydrants

A

Red - less than 500 GPM
Orange - 500-999 GPM
Green - 1000-1499 GPM
Light blue- Greater than 1500 GPM

170
Q

What temperature flash point is a flammable rating?

A

Less than 100 degrees F

171
Q

What is the NFPA standard for the National Electric Code?

A

NFPA 70

172
Q

What is passive fire defense?

A

Fire walls & doors

173
Q

What is active fire defense?

A

Sprinkler system

174
Q

What is needed to stabilize a pre-cast tilt slab wall?

A

The roof

175
Q

What size basement require sprinkler system protection?

A

2500 sq. ft. or more in size

176
Q

What is the BTU generation of wood and paper:

A

Wood and paper generaete 8000 BTU’s

177
Q

What is the BTU generation of plastic & liquids?

A

16,000 BTU’s

178
Q

What happens to marble when subjected to heat?

A

Turns to chalk

179
Q

What is the percentage of fire doors that actually work?

A

50%

180
Q

What is the maximum height of an ordinary brick bearing wall?

A

six stories

181
Q

In structural steel, a symbol such as W12x16 would mean what?

A

W- type beam
12 nominal depth of the beam
16 the weight per linear foot

182
Q

The horizontal measurement on stairs is called the ______

A

the run

183
Q

occupant load factor for figuring a library reading room?

A

50 net ft2

184
Q

How many days notice is required when there is a change of address on a certificate of fitness?

A

10 days

185
Q

At what occupant load is a fire alarm system required for assembly occupancies?

A

300 or greater

186
Q

What is the rating given to a fire stops ability to maintain its physical integrity when exposed to fire and hose streams and to prevent the passage of flame?

A

F rating

187
Q

How many days prior to using a tar kettle must a permit be obtained?

A

2 days

188
Q

For a building to be classified as an apartment, how many units with independent kitchens is needed?

A

3 or more

189
Q

To be classified as a dormitory, how many people must it provide sleeping accommodations for?

A

16 or more

190
Q

The access opening to fire escapes shall not be higher than the floor by how many inches?

A

12 inches

191
Q

is the fire resistance rating of an exit door in buildings of three stories or less

A

not less than 1-hour

192
Q

Most spot welds are specified by what?

A

their diameter

193
Q

What is the disadvantage of a dry chemical extinguisher?

A

Its residue creates a clean-up problem after system operation

194
Q

Its residue creates a clean-up problem after system operation

A

18 GPM

195
Q

What causes heat and smoke to spread upward then outward within a building?

A

convection

196
Q

In the Standard Fire Test the temperature rises to 1000 degrees F in how many minutes?

A

5 minutes

197
Q

The pattern in which masonry unites are laid

A

Bond

198
Q

A pictorial drawing in which the parts of an assembly are separated to better illustrate the assembling process

A

Exploded pictorial drawing

199
Q

More firefighters have been killed in?

A

ordinary construction

200
Q

What will a chase do to a masonry wall?

A

weaken it

201
Q

What is another name for Potassium Carbonate?

A

Wet chemical

202
Q

A short column with a large cross section in proportion to its length is called:

A

a pier

203
Q

What type of air filter releases little or no gas when subjected to fire?

A

Class 1

204
Q 
Fire load in pounds per square inch:
5=
10=
11-15=
16-20=
20+=
A 
5= slight
10= moderate
11-15 - moderately severe
16-20= severe
20+= very severe
205
Q

What is the first step in the burning process?

A

Fuel and oxygen mix properly

206
Q

Turnstiles exceeding ___ shall be treated as revolving doors?

A

39 inches

207
Q

What is the term used to describe the area of a building is off the property line as required by the code?

A

the setback

208
Q

What is the pressure of a low misting operating?

A

175 psi

209
Q

What is passive fire defense?

A

Fire walls & doors

210
Q

What is the first step in the burning process?

A

What is the first step in the burning process?

211
Q

At what occupant load is a fire alarm system required for assembly occupancies?

A

300 or greater

212
Q

What is another name for Potassium Carbonate?

A

Wet chemical

Fire Inspector (4 decks)

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