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
2
Q
All portable tanks greater than ____ should be treated according to the same standards as fixed tanks?
A
60 gallons
3
Q
Fire extinguishers less than 40lbs should be mounted no higher than _____ feet from the floor
A
5
4
Q
An angle cut on a wooden joist to lessen the possibility of wall collapse in case
A
Fire cut
5
Q
What type of detector operates on two types of metal that have different heat expansion ratios?
A
Bimetallic
6
Q
What should not be operated below 400degrees F
A
Drop out panel
7
Q
What is fire resistance?
A
The ability of a structural assembly to maintain its load-bearing ability under fire conditions
8
Q
A horizontal structure member used between posts, columns, or walls?
A
Beam
9
Q
What is the activation temperature of on orange head sprinkler?
A
500-575F
Classified as ultra-high
10
Q
The thickness of wood used for fire stopping is what?
A
no less than 2 inches
11
Q
What are the hazards of dip tank operations?
A
Fire involving the liquids and explosions involving vapor and air mixtures
12
Q
What is the hour rating of the roof in a dry cleaning facility?
A
Not less than one-hour
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
14
Q
What is the rating for doors in a smoke proof enclosure?
A
20 minutes
15
Q
The maximum amount of heat that can be produced if all the combustible materials in a given area burn
A
Fire load
16
Q
Rate of rise detectors depends on what?
A
- Expansion characteristic of heat
- will activate if temperatures rises 12-15 degrees per minute
17
Q
What type of door is required for flammable storage room?
A
self-closing
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
19
Q
What is a floor plan?
A
a sectional view taken on a horizontal plane 42” to 48” above the floor
20
Q
What is an exploded pictorial drawing?
A
- Used to show the relative position of parts or construction detail
- used to clarify assembly
21
Q
What type of material is halon ineffective on?
A
self-oxidizing
22
Q
What drawing is the most realistic view?
A
The pictorial drawing
23
Q
Which landings have standpipe connections in scissors stairs?
A
Alternating floors
24
Q
If a straight line is not running horizontal or vertical, which way is it running?
A
An inclined line
25
What is the minimum clearance from combustible materials for cooking equipment?
18 inches
26
In regards to the ordinary household lamp, what are the percentages of light and heat?
10% energy is light
| 90% energy is heat
27
What are the two common types of extinguishing agents in hood systems?
Potassium Carbonate
| Potassium Acetate
28
What is the minimum distance between above ground flammable or combustible storage tanks?
3 feet
29
What is the minimum rating of a door into an exit access corridor?
20 minutes
30
What is a gusset plate?
a piece of metal or plywood used to reinforce a joint of a truss
31
Most electrical fires are caused how?
Arcs
| overheating
32
What are the four basic components of a dry chemical extinguishing system?
Storage Tank
Piping
Nozzles
Actuating Mechanism
33
How many people should be on of a board of appeals?
5-7
34
Balconies and Mezzanines with a load greater than 100 must have how many means of egress?
Not less than two
35
To water flow test a sprinkler system, what is used?
Inspectors test valve
36
Residential sprinkler systems require what size piping and what supply requirements?
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
37
NFPA 30 covers what?
Combustible and flammable liquids codes
38
What is the minimum distance needed between LPG and other flammable liquid storage tanks?
20 feet
39
What defines educational occupancies?
- 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
40
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
Means of Egress
41
What are the 3 parts of Means of Egress?
The Exit Access
The Exit
The Exit Discharge
42
Do fire escape stairs count as a means of egress?
No
43
What fire rating must exposed supports for above ground tanks have?
2 hours or more
44
The temperature at which the vapor pressure of the liquid is equal to the external pressure applied to it?
Boiling Point
45
What type of ID is required for bulk haz-mat storage?
a 4 digit ID number
46
What are the steps for performing the main drain test?
Observe
Open
Observe
Close
47
What is used to test a wet pipe system to prevent unseating the alarm valve?
It is tested with the alarm bypass valve
48
What is the covering over studs called?
Sheathing
49
Any loads to a building other than a live load
live load
50
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
Fire cut
51
What are two methods of pre-stressing concrete?
Pre-Tensioning (done at the plant)
| Post-Tensioning (done at the job site)
52
Made by sandwiching a piece of steel between two wooden beams
Flitch plate girder
53
What does veneer do?
It improves the appearance of the building &
| It is non-load bearing
54
In an isometric drawing, what angles are the horizontal planes drawn above the horizon?
30 degrees
55
What increments do modular drawings use?
4
56
Support for a masonry opening, usually steel or special form, such as pre-cast concrete
Lintel
57
A list of details or sizes for building components such as doors, windows, or beams (done by the architect)
Schedule
58
What are hidden lines?
Medium weight and composed of short dashed
| The define edges and surfaces that are not visible in a particular view
59
What is a sectional line?
- Used in a sectional view to show that the material has been "cut" by the cutting plane
- Also called cross-hatch lines
60
Is exit access permitted through dining rooms and sitting rooms
Yes.
| NOT through kitchens or storage rooms
61
Where is the anunciator panel located in a building?
In an approved area by the AHJ
62
What is the minimum height something may project from the ceiling?
6' 8" from the floor
63
What is the purpose of the Life Safety Code?
to provide MINIMUM requirements for life and safety from fire and similar emergencies
64
If sprinkler heads are omitted from a closet, it may not be over what size?
24 sq feet
65
Is a painting plan a common type of plan?
NO
66
The length of a line running between two points on the circle passing through the center?
Diameter
67
Two or more conductors carrying electricity from the source to the electrical device and returning
Circuit
68
A rafter that extends from an outside corner of a building to the ridge board, usually at 45 degrees to the ridge
Hip rafter
69
Extends from the top plate of a building to the hip rafter
Hip jack
70
The horizontal member at the peak of the roof
| - upper ends of the rafter are connected to it
ridge
71
What is the internal forces in a building which resist the load?
Stress and strain
72
A known elevation of a plot plan
Benchmark
73
A drawing showing the location of a building on its plot of land and various details of the land
- Also called a site plan
Plot Plan
74
What is another name of the solution composed of potassium carbonate?
A wet chemical extinguishing agent
75
Sometimes used for floors in mobile homes
| - wood chips glued together to make flat sheets
chipboard
76
Bricks laid so the long side is visible
Wythe
77
A wood joist spanning wall to wall
Simple beam
78
At what temperature does steel begin to fail?
above 1000 degrees F
79
- Suited for delicate electrical equipment
- Not suited for deep seated Class A fires
- The system should be tested semi-annually
Halon extinguishing systems
80
What is the operating PSI of a pressurized water extinguisher?
100 PSI
81
When should fire pumps be tested?
weekly (should be done by the in-plant managers)
82
Opens when the system flows water allowing water from the supply side and also opens the piping to the retard chamber?
Clapper valve
83
What is used to test a wet system?
- 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
84
When is pre-action system used?
When it is especially important that the water damage be prevented, even if the sprinkler pipes break accidentally
85
A heat detector that uses two types of metal that have different heat-expansion ratios?
Bimetallic detector
86
Hydrostatic testing of extinguishers?
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
NFPA Placards:
| Blue is for:
Health hazards
88
NPFA Placards:
| A "P" on it indicates:
there is a potential for the material to undergo auto-polymerization
89
NFPA Placards:
| The numbers 0-4 rates the hazard with ____ being the highest hazard
4
90
Typically the slowest type of system. Very reliable due to sensitivity
Heat detector
91
Who tests dry chemical extinguisher system?
reputable contractor
92
Wet system testing
Should be done monthly
| - performed by the in-plant inspector
93
The generation of Carbon Monoxide in concealed spaces can be how much greater than in the open?
50 times greater
94
How tall is the typical Platform-frame construction building
3 stories
95
When heated to 1000 degrees F, steel will expand how much per 100 feet?
9 1/2 inches
96
What temperature is an ordinary sprinkler head rated at?
165 degrees F
97
is the chief characteristic of ordinary construction?
The exterior walls are made of masonry
98
What is the practical limit distance for a simple wood beam floor?
25 feet
99
What is the outer weather surface placed over sheathing called
Siding
100
What type of construction with exterior weight bearing walls has a 1 hour fire resistance rating?
Ordinary construction
101
In a butterfly valve, thee gate rotates _____ degrees IN the water way
90
102
It operates with a 1/4 turn and will have pointer arrow that shows the position of the valve
Butterfly valve
103
How are sprinkler valves kept in the open position?
- By a locked chain
- By another locking mechanism
- By an electronic detection device
104
It pre-fills with water during surges prior to allowing water to the electronic alarm thus preventing false alarms
Retard chamber
105
Air is removed rapidly from a dry pipe system by:
- An accelerator
| - An exhauster
106
What are the requirements for spare heads?
1-300 heads require 6 spares
301-1000 heads require 12 spares
1001 or more require 24 spares
107
What is the color of the frangible bulb of an ordinary sprinkler head?
Orange or Red
108
What are the water supplies for systems?
- municipal water
- gravity tank
- reservoir tank with a pump
- pressure tank
109
What is the pressure at the highest sprinkler head in the system?
15 PSI, with 7 PSI residual
110
Standpipe systems are needed in buildings where:
- it is greater than 75' to the highest occupied floor
| - Large one-story buildings
111
Standpipes must be located in:
non-combustible, fire rated stairwells
112
Basic PSI elevation figure is:
.434 lbs of pressure required to raise water one foot
113
```
Basic PSI elevation rule for FD is ___ psi per floor
(The class B rating test)
```
5
114
Every 1sq ft of fuel corresponds to every _______ rating
1-B
115
Pressurized water extinguishers must have a minimum effective discharge range of ___' for a ____ second period
30' for a 40 second
116
Dry chemical and dry powder must have minimum horizontal range of ____ '
10'
117
Common Dry Chemical Agents are:
Sodium Bicarbonate
Potassium Bicarbonate
Monoammonium Phosphate
118
Internal pressure of extinguishers:
Vary from 100psi to 850 psi
119
Fire apparatus extinguisher needs:
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
The three types of fire pump drivers are:
Electric motor
Diesel motor
Steam motor
121
A pump that intakes from a low-pressure municipal main and boosts the pressure to levels required for the fire suppression system
A booster pump
122
What is difference between interior and exterior plywood?
The type of adhesive used
123
In what ways is steel strength used?
Both in tension and compression
124
Regarding solid piling storage, it presents fewer paths for fire development because of:
- it contains no horizontal voids
| - it simply stacks merchandise cartons or cases directly on top of each other
125
What does PIV and WPIV stand for?
Post Indicator Valve
| Wall Post Indicator Valve
126
- 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
Cold Flow
127
Strong air flow patterns in vertical shafts of high-rise structures
Stack effect
128
How often should a halon extinguishing system be tested?
Semi-annually
129
What type of Class A fire is halon not very effective on?
A deep seated class A fire
130
How often are fire pumps for standpipes tested?
Weekly
131
Mounting requirements for fire alarm pull boxes are?
- 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
How often should extinguishers of 150 lbs or less by hydrostatically tested?
Once every 12 years
133
Is a partition wall load bearing?
No
134
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?
- enclosed stairway
- horizontal exit
- exterior stair
- fire escape
135
orthographic projections are what?
three dimensional
136
What type of sprinkler system will not cause damage if a pipe breaks?
Pre-action system
137
What are the three classes of standpipe systems?
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
How many square feet may a sprinkler cover in a low hazard?
225 sq ft
139
What type of mortar is for underground masonry?
Type M
140
On what plans are the HVAC systems usually shown on?
Mechanical plan
141
In metric conversion, what does one inch equal?
25.4mm or 2.54
142
What are dimension lines?
- They extend for the length of the distance being measured
| - Extension lines are drawn perpendicular to the extension lines
143
A minute is _____ of a degree
1/60th
144
similar to Oblique drawings
| True shape and size are shown in the front view
Parallel perspective drawings
145
What type of doors do freight elevators have?
Counter balanced doors
146
What is the date used for using the in effect code when building a new occupancy?
The date of the plan approval
147
The proper order to inspect a building is:
- from top to bottom
- from bottom to top
- follow a specific plant process from beginning to end
148
With all other conditions being equal, a structure will sustain its greatest load when the load is :
Axial
149
What is the name of a beam with the shape of a "C" of a "U"?
Channel Beam
150
What is the thickness of a trap door for a stage?
1 1/2"
151
Mezzanines can take up no more then ____ of the total room
1/3 of the room
152
What distance can a rigid beam span?
100'
153
How often are sprinkler systems tested?
Quarterly
154
What is the proportion of liquid to air in a pressurized tank at 75 psi?
2/3 liquid to 1/3 air
155
How long will rough cut timber last in fire?
5 minutes per inch
156
What is another term for pictorial drawings?
Renderings
157
What are three activating devices on a sprinkler head?
Fusible link (most common)
Glass bulb
Chemical pellet
158
When a sprinkler is supplied by a water tank, what is the required height?
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
What temperature does aluminum melt at?
1200 degrees F
160
At what temperature do cold drawn steel cables fail?
800 degrees F
161
The tapered extensions at the top of columns which transfers loads from the floor to the column
mushroom cap
162
What are the two common types of smoke detectors?
Ionization
| Photo-electric
163
What is the flammability percentage range for carbon monoxide?
12. 5% to 74%
| - ignition temperature of 1128 degrees F
164
What are the five basic principles of inspecting?
- interaction with people
- preparing for the inspection
- the inspection
- follow up inspections
- maintaining the file
165
What are the five categories of heat energy?
```
chemical
electrical
mechanical
nuclear
solar
```
166
Measures the quantity of electricity?
Amps
167
Measures the pressure of electricity?
Voltage
168
Measures the resistance of electricity?
Ohm
169
What is the color coding and GPM on hydrants
Red - less than 500 GPM
Orange - 500-999 GPM
Green - 1000-1499 GPM
Light blue- Greater than 1500 GPM
170
What temperature flash point is a flammable rating?
Less than 100 degrees F
171
What is the NFPA standard for the National Electric Code?
NFPA 70
172
What is passive fire defense?
Fire walls & doors
173
What is active fire defense?
Sprinkler system
174
What is needed to stabilize a pre-cast tilt slab wall?
The roof
175
What size basement require sprinkler system protection?
2500 sq. ft. or more in size
176
What is the BTU generation of wood and paper:
Wood and paper generaete 8000 BTU's
177
What is the BTU generation of plastic & liquids?
16,000 BTU's
178
What happens to marble when subjected to heat?
Turns to chalk
179
What is the percentage of fire doors that actually work?
50%
180
What is the maximum height of an ordinary brick bearing wall?
six stories
181
In structural steel, a symbol such as W12x16 would mean what?
W- type beam
12 nominal depth of the beam
16 the weight per linear foot
182
The horizontal measurement on stairs is called the ______
the run
183
occupant load factor for figuring a library reading room?
50 net ft2
184
How many days notice is required when there is a change of address on a certificate of fitness?
10 days
185
At what occupant load is a fire alarm system required for assembly occupancies?
300 or greater
186
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?
F rating
187
How many days prior to using a tar kettle must a permit be obtained?
2 days
188
For a building to be classified as an apartment, how many units with independent kitchens is needed?
3 or more
189
To be classified as a dormitory, how many people must it provide sleeping accommodations for?
16 or more
190
The access opening to fire escapes shall not be higher than the floor by how many inches?
12 inches
191
is the fire resistance rating of an exit door in buildings of three stories or less
not less than 1-hour
192
Most spot welds are specified by what?
their diameter
193
What is the disadvantage of a dry chemical extinguisher?
Its residue creates a clean-up problem after system operation
194
Its residue creates a clean-up problem after system operation
18 GPM
195
What causes heat and smoke to spread upward then outward within a building?
convection
196
In the Standard Fire Test the temperature rises to 1000 degrees F in how many minutes?
5 minutes
197
The pattern in which masonry unites are laid
Bond
198
A pictorial drawing in which the parts of an assembly are separated to better illustrate the assembling process
Exploded pictorial drawing
199
More firefighters have been killed in?
ordinary construction
200
What will a chase do to a masonry wall?
weaken it
201
What is another name for Potassium Carbonate?
Wet chemical
202
A short column with a large cross section in proportion to its length is called:
a pier
203
What type of air filter releases little or no gas when subjected to fire?
Class 1
204
```
Fire load in pounds per square inch:
5=
10=
11-15=
16-20=
20+=
```
```
5= slight
10= moderate
11-15 - moderately severe
16-20= severe
20+= very severe
```
205
What is the first step in the burning process?
Fuel and oxygen mix properly
206
Turnstiles exceeding ___ shall be treated as revolving doors?
39 inches
207
What is the term used to describe the area of a building is off the property line as required by the code?
the setback
208
What is the pressure of a low misting operating?
175 psi
209
What is passive fire defense?
Fire walls & doors
210
What is the first step in the burning process?
What is the first step in the burning process?
211
At what occupant load is a fire alarm system required for assembly occupancies?
300 or greater
212
What is another name for Potassium Carbonate?
Wet chemical
