Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

TROT Tech > TROT Tech > Flashcards

TROT Tech Flashcards

1
Q

Swift water

What is the hand signal for tighten

A

Spin 1 finger vertically up

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Structural

How much is a 4x4 box crib rated at for each contact point

A

6000 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Tools

10 bar is equal to _______ PSI

A

145 PSI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Rope

What percentage is lost when carabiners are twisted or cross loaded

A

50 %

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Con space

What is the primary hazard when associating with con space

A

Oxygen deficiency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Trench

If a trench is 6’ - 9’ wide and less than 10’ deep what size lumber should be used

A

4 x 6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Trench

At what psi will get a shore thrust of 892 PSI

A

200 PSI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Petrogen

When should the 3 fuel knobs be checked

A

1) initial assembly
2) during routine maintenance
3) if any leaking is observed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Swift water

What is river left

A

Left side of the river when looking downstream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Vortex

Where should you run your belay line at

A

At or near the floor/ ground level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Structural

1 ton = how many pounds

A

2000 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Structural

What building marking signifies a high risk building

A

Square with an X in the middle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Structural

What is the shoring sequence for steel frame construction

A

2 undamaged floors can support 1 damaged floor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Swift water

In the counter-panic victim recognition stage, what are the victims expected mental capacity

A

“Blank stare”

Inability to follow commands and assist rescuers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Con space

When does the low air alarm go off on the air cart

A

500 PSI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Trench

If a cutback is necessary, how do we do a cutback

A

2ft to 1 ft ratio starting after the first 2 ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Structural

How much is each contact point rated at for 6x6 cribbing

A

15,000 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Structural

What are the 3 classes of levers and give examples

A

Class 1 - teeter totter

Class 2 - wheel barrow

Class 3 - broom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Rope

Safety checks should be checked how many times by how many different people

A

3 times by 2 different people

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Vortex

How many guy lines and at what angle are needed for a gin pole used as an anchor

A

4 guy lines

90 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Swift water

What does an upstream “v” indicate

A

Object in the water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Swift water

In the normal victim recognition stage, what is the victims expected mental capacity

A

Victim able to follow commands and assist in own rescue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Structural

What is the building marking for a low risk building

A

An empty square

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Petrogen

How long should the fingers be on the torch flame

A

3/16 of an inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Rope

What type of rope do we use for throw bags

A

Polypropylene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Rope

How many feet of rope are in the climbing above an anchor rope

A

165 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Structural

What should taker backing be made of and what size for badly cracked masonry or concrete walls

A

48” x 48” x 3/4 inch plywood

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Structural

For solid sole raker, a mid point is needed when insertion point is over_______

A

8 feet

or post length is more than 11 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Trench

Which degree raker is most efficient

A

30 degree

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Structural

A basket hitch is how much stronger than a single straight leg sling

A

2 hundred percent or 2x

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Structural

What is the shoring symbol for a window or door shore

A

W or D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Swift water

What does 4 whistle blasts mean

A

Help / trouble

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Rope

What type of carabiner is preferred on webbing

A

Opposite and opposed

non locking

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Structural

When is hearing protection required

A

Above 90 DB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Swift water

Minimum PPE for tech level rescuer

A

1) type V w/ quick release strap
2) water rescue helmet
3) appropriate footwear and gloves
4) whistle
5) knife
6) throw bag
7) light source
8) low light marking device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Con space

definition of IDLH

A

Any condition that posses an immediate or delayed threat to life or interfere with an individuals ability to escape unaided

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Structural

What is the max lift of the hydro fusion

A

26”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Swift water

What is the definition of hydraulic affect

A

The movement of water caused by pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Con space

A permit required confined space will have 1 or more of what conditions

A

1) potential to contain a hazardous atmosphere
2) contains material that has the potential to engulf or entrap
3) contains inwardly converging walls or floors to a smaller cross section
4) contains any other recognized serious safety or health hazard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Con space

Pre entry briefings should include what info

A

1) inform teams of roles / tasks
2) emergency procedures w/ in space
3) should get site briefing (maps)
4) made aware of time limit
5) made aware of hazards

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Trench

Underground utility markings marked with orange are what

A

Communications

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Swift water

What is gastrointestinal illnesses from

A

Ingestion of contaminates water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Structural

What is the building marking for a medium risk building

A

A square with a single slash through it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Trench

Shores are rated up to what depth

A

20 feet deep

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Rope

For the vortex, what is the maximum amount of outer legs you can use on any one leg of the system

A

No more than 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Swift water

What does 3 whistle blasts mean

A

Downstream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Con space

Light comms, what does 4 flashes mean

A

Help

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Swift water

Minimum PPE requirements for a victim

A

1) type III or V PFD

2) appropriate helmet with light or glow stick

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Con space

What are the 5 most common gasses found in confined spaces

A

1) methane
2) carbon monoxide
3) carbon dioxide
4) hydrogen sulfide
5) sulfur dioxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Swift water

What is the NFPA standard for throw bags….

How many throws in how many seconds

A

2 throws in 40 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Rope

How many pounds is a G rating

A

600 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Swift water

Downstream “V” is what

A

Water being pushed throw a narrowing gap, causes the level to rise up forming a “chute or tongue”

(Where a rescue should swim or bring a boat through)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Swift water

Types of intestinal bacteria are

A

1) E. coli
2) salmonella
3) shigella
4) hep A
5) typhoid
6) tetanus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Con space

Rope comms - what does 1 tug mean

A

Ok

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Swift water

What causes leptospirosis

A

Contaminated water from animal urine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Structural

How much does structural steel weigh

A

490 PCF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Tools

Volts X amps =

A

Watts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

Structural

What is the shoring symbol for a tee spot shore

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

Swift water

What is laminar flow

A

Water flows in layers with the bottom layers typically moving faster

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

Trench

How many ladders should be placed every 25 feet

A

1 osha

2 ffx county

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

Rope

When should a brake bar or figure 8 be replaced

A

When 15 % of the material is missing or worn away

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

Trench

A pt buried under 2 ft of soil will have how many pounds of pressure on their chest and back

A

700-1000 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

Structural

What is brittle behavior of materials

A

The material will break with out warning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

Con space

What is the range for oxygen concentrations

A

19.5 % - 23.5 %

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

Structural

Where is quadrant E in a building or structure

A

In the middle of the building

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

Trench

Side wall shear is what

A

When an entire portion of the wall falls into the trench

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

Con space

Airborne dust particles constitute a confined space as IDLH when

A

Visibility is less than 5 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

Swift water

What does the upstream spotter do

A

Looks for any incoming hazards

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

Structural

What is the symbol for a confirmed live victim

A

V with a circle around it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

Structural

What is the building marking if a search is incomplete

A

Single slash with a filled in circle in the middle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

Swift water

Definition for down stream

A

Direction water is flowing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

Structural

What is the shoring symbol for a double T

A

DT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

Structural

What size should all building markings be

A

2’ x 2’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

Trench

What is type B soil

A

Crushed rock

Compressive strength of .5 - 1.5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

Trench

Underground utility markings marked with white are what

A

Proposed excavation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
76
Q

Petrogen

How long does it take to purge the fuel line

A

Up to 2 min per 25 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
77
Q

Trench

What is the optimal size of a safety zone in a trench

A

12 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

Structural

What is the max lift stacked high pressure bags can get

A

40”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
79
Q

Rope

What is the load on a change of direction from 0-30 degrees

A

2x or 200 %

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
80
Q

Swift water

What is hypothermia

A

Lowering of the body’s core temperature below 95 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
81
Q

Swift water

What is NFPA 1006

A

Tech rescue qualifications

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
82
Q

Petrogen

What is the standard starting pressure for fuel

A

20 PSI

No less than 10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
83
Q

Petrogen

Which line should you always pressurize first

A

Oxygen line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
84
Q

Swift water

What does 2 whistle blasts mean

A

Upstream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
85
Q

Petrogen

Where should you face when pressurizing the oxygen system

A

Away from the gauges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
86
Q

Trench

What is the minimum amount of shores required

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
87
Q

Rope

What are the 4 key knots for rescue

A

1) water knot
2) round turn with 2 half hitches
3) Prussia hitch
4) figure 8 on a bight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
88
Q

Con space

Spaces less than _____ require the use of a SAR SCBA

A

24”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
89
Q

Swift water

How many pounds of buoyancy is required for a type 5 flotation device

A

22 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
90
Q

Rope

What is the safety ratio for rope

A

10:1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
91
Q

Con space

What is the maximum length of air hose we can use with the SAR SCBA

A

300 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
92
Q

Rope

What is the maximum allowable angle for a pendulum

A

120 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
93
Q

Petrogen

What condition do we keep the petrogen in

A

Ready condition 2

tanks full but not pressurized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
94
Q

Rope

Wrap 3 pull 2 is an anchor rated at _____ pounds

A

7899 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
95
Q

Rope

How long should each leg be kept to on a load distributing anchor

A

Less than 1 foot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
96
Q

Rope

What are the 5 positions on a petzl ID

A

1) store
2) lock off
3) belay
4) descent
5) panic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
97
Q

Trench

How much does the vac truck hold

A

10 yards

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
98
Q

Trench

A trench box may not be more than _____ narrower than the trench

A

18 “

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
99
Q

Structural

When 2 forces are being applied through an object at 180 degrees to each other is called what

A

Tension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
100
Q

Petrogen

How deep will the 83 tip cut

A

2 “ - 4 “

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
101
Q

Con space

How long will the SAR SCBA last ( escape bottle)

A

15 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
102
Q

Swift water

What is the hand signal for victim recovered

A

Two closed fists across your chest forming an X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
103
Q

Swift water

What is a low head damn

A

Forms a perpendicular line of looking downstream

after going over dam the rescuer / victim will continuously be recycled through the hydraulic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
104
Q

Trench

If the trench is less than 6 ‘ wide and less than 10 ‘ deep what size wood can be used

A

4 X 4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
105
Q

Swift water

How should you mark a victim location

A

1) cones
2) floating buoy marker
3) anything easily seen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
106
Q

Con space

_____ percentage of all confined space deaths are would be rescuers

A

60 %

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
107
Q

Con space

What grade air should we use for breathing

A

Grade D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
108
Q

Hearing protection should reduce the noise by at-least how much

A

20 DB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
109
Q

Trench

What is the cone effect

A

The 3D cone exerted by the shore

Extends out again about a 45 degree angle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
110
Q

Petrogen

How many plunges should it take to charge the 2.5 gal container to 20 PSI

A

80 - 100 plunges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
111
Q

Structural

What is the normal range for oxygen

A

19.5 - 23.5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
112
Q

Structural

What is the shoring symbol for a vertical shore

A

V - 2, V - 3 etc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
113
Q

Structural

When two forces are applied directly towards each other (offset) through an object is what

A

Shear forces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
114
Q

Swift water

What does 1 whistle blast mean

A

Stop look at me

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
115
Q

Rope

What is the strongest shape of carabiner

A

D shape

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
116
Q

Vortex

How much can the 3/8 “ pin hold

A

18,000 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
117
Q

Rope

How much can 1 “ tubular webbing hold

A

4000-4500 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
118
Q

Roadway manual

How long does it take for the eye to recover sight from light to dark

A

6 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
119
Q

Swift water

What is the safest swimming position

A

Defensive - on back, feet up

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
120
Q

Rope

What is the efficiency of a water knot

A

64 %

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
121
Q

Rope

1 “ flat webbing is rated at what

A

6000 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
122
Q

Swift water

Which search pattern is best used to locate small objects or search limited visibility areas

A

Spiral search

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
123
Q

Structural

What odor does H2S have

A

Rotten eggs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
124
Q

Trench

Where should you position TROT units on-scene

A

No closer than 50 Ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
125
Q

Swift water

When does recovery mode start

A

When we go to boat based operations only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
126
Q

Tools

1 bar = ______ PSI

A

14.5 PSI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
127
Q

Structural

What is the building marking once the search is complete

A

X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
128
Q

Rope

What is the load on a change of direction from 90-120

A

100 %

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
129
Q

Trench

Underground utility markings marked with hot pink are

A

Temporary survey marking

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
130
Q

Swift water

In the panic victim recognition stage, what is the victims expected mental capacity

A

Can follow simple commands and can assist in rescue with specific instructions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
131
Q

Swift water

What is ferry

A

Process by which a boat moves across the river w/ out moving downstream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
132
Q

Swift water

What is ferry angle

A

Using the force of the water to assist movement

45 degree angle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
133
Q

Rope

A minimum sheave diameter of what minimizes rope wear

A

8 X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
134
Q

Rope

When and where should fall protection be placed when climbing above an anchor

A

Every 5 ft for the first 30 ft

In 10 ft increments after 30 ft and any change of direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
135
Q

Structural

Tendency of a steel, pin like connector to break across its cross section is what

A

Bolt shear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
136
Q

Petrogen

How should we run the torch

A

Rich

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
137
Q

Swift water

In the IDR stage how long does a victim have of survival time

A

Less than 60 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
138
Q

Con space

Light comms - what does 2 flashes mean

A

Advance line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
139
Q

Swift water

Why does the glow stick color green mean

A

Starboard side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
140
Q

Petrogen

Can we use compressed glasses with the petrogen fuel tanks

A

No

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
141
Q

Swift water

What are the 4 stages of victim recognition

A

1) normal
2) panic
3) counter- panic
4) IDR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
142
Q

Trench

What is a fissure

A

A crack along the trench lip

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
143
Q

Structural

What is the horn blast for evacuate

A

3 short blasts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
144
Q

Structural

L/D or ht / width must be ____ or less for shoring

A

25

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
145
Q

Con space

Rope comms - what does 2 tugs mean

A

Advance line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
146
Q

Swift water

What is a standing wave

A

Waves that form at the base of a downstream “V” due to channeling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
147
Q

Trench

What is type c soil

A

Sand

Compressive strength of .5 or less

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
148
Q

Trench

What is type a soil

A

Clay

Compressive strength of 1.5 or greater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
149
Q

Structural

Hydro fusion can lift up to ____ tons with a 2:1 safety factor

A

10 tons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
150
Q

Structural

When two forces are being applied directly towards each other is called what

A

Compression

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
151
Q

Petrogen

What kind of threads does the oxygen line have

A

Standard right hand thread

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
152
Q

Swift water

What color helmet marks victims

A

Red

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
153
Q

Vortex

How many outer legs can be put together

A

No more than 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
154
Q

Vortex

How much can the 1/2 “ pin hold

A

32,000 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
155
Q

Con space

What are the 3 ways a space can become oxygen deficient

A

1) absorption
2) consumption
3) displacement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
156
Q

Trench

How many GPMs are the portable electric sump pump rated at

A

90 GPMs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
157
Q

Structural

What type of sloped floor shore is “floating”

A

Type 3

Square cut on bottom

30” cleat on header

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
158
Q

Petrogen

Which gauge is high pressure and which one is low pressure

A

High pressure goes to the tank

Low pressure goes to the torch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
159
Q

Rope

3 components that make up a knot are what

A

1) bight
2) loop
3) round turn

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
160
Q

Structural

What are the 5 collapse patterns

A

1) A
2) V
3) lean to
4) pancake
5) cantilever

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
161
Q

Structural

What are 2 types of racking

A

1) offset

2) split level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
162
Q

Rope

What are the critical anchor angles and load percentages

A

0 degrees - .5 x load

90 degrees - .7 x load

120 degrees - 1x load

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
163
Q

Structural

What size are pickets

A

1 “ x 4 ‘ cold rolled steel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
164
Q

Structural

What does the acronym LCES stand for

A

1) Look outs
2) Communication
3) Escape routes
4) Safety zones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
165
Q

Swift water

What is and who should be in the warm zone

A

1) operations level and below

2) within 10ft of the water line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
166
Q

Trench

How much does 1 cubic foot of soil weigh

A

100 - 130 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
167
Q

Structural

What is the shoring sequence for wood frame construction

A

1 undamaged floor can support 1 damaged floor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
168
Q

Structural

What is the max slope of a slopes floor shore

A

45 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
169
Q

What type of rope do we use for life line rope and label the 2 parts

A

Kernmantle rope

Kern - core

Mantle - outside sheath

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
170
Q

Structural

When building shores on soil, backing is made up of

A

1) 3 - 2 x 6 x 18” lumber

2) 2 - 3/4” X 18” X 18” plywood

171
Q

Trench

Underground utility markings marked with blue are

A

Potable water

172
Q

Swift water

What does the glow stick color yellow mean

A

Rescuer

173
Q

Petrogen

What 2 tip sizes do we use

A

1) 81

2) 83

174
Q

Swift water

What is the order type of rescues

A

1) reach
2) throw
3) row
4) go
6) help

175
Q

Structural

What is the horn blast for resume operations

A

1 long and 1 short blast

176
Q

Swift water

What causes infectious hepatitis or aseptic meningitis

A

Viruses in sewage

177
Q

Structural

What materials are structure or hazard placards made of

A

1) 8 1/2 X 11” white paper
2) 8 1/2 X 11” light cardboard

( cut in half to get two placards )

178
Q

Structural

What is the shoring symbol for a raker shore

A

A triangle with an R in the middle

179
Q

How long does it take for the eye to recover sight from dark to light

A

3 seconds

180
Q

Con space

A mechanical device shall be available to retrieve personnel from a vertical area of more than _____

A

5 feet

181
Q

Rope

Safeties are tied on which 2 knots

A

1) bowline

2) square knots

182
Q

Rope

A high line must have a minimum of how many anchors on each side

A

3

183
Q

Rope

What does 2 whistle blast mean

A

Up

184
Q

Swift water

What is the dispatch for an ice rescue

A

1) 2 boats
2) 2 engines
3) 1 rescue
4) 1 truck
5) 1 BC
6) 1 Safety officer
7) 2 ems units
8) dive team

185
Q

Structural

What is the initial entry marking for a building

A

Single slash

186
Q

Trench

What is angle of repose

A

Maximum angle that soil will lie without sliding

187
Q

Swift water

What is a down stream safety

A

Personnel or crew assigned to operate downstream of rescuers and victims to immediately remove / provide egress out of IDLH area

188
Q

Trench

How much does 1 cubic yard of soil weigh

A

2,700 pounds

189
Q

Swift water

Are fire apparatus allowed to be driven through the hot zone or through flooded waterways

A

No

190
Q

Trench

How far out should you eliminate vibrations

A

500 feet

191
Q

Swift water

What does the glow stick color blue mean

A

Victims

192
Q

Trench

Underground utility markings marked with yellow are

A

Gas, oil, steam

193
Q

Con space

4 ways a chemical hazard can enter the body

A

1) injection
2) ingestion
3) inhalation
4) absorption

194
Q

Structural

What is the shoring symbol for a horizontal shore

A

H-2

H-3

195
Q

Rope

A tensionless tree wrap must be a min of _____ wraps and have what

A

1) 3 wraps

2) drip loop

196
Q

Structural

How much does masonry weigh

A

125 PCF

197
Q

Rope

What are the 3 safety checks that need to be performed

A

1) visual
2) physical
3) load

198
Q

Trench

At what depth is a hole considered a trench

A

4ft

199
Q

Trench

If a trench is more than 6’ wide and 10 - 12’ deep what size lumber should be used

A

6 X 6

200
Q

Petrogen

What shade goggles/ eye pro should be worn

A

Shade 5

201
Q

Petrogen

How long do you purge the torch for

A

3 - 5 seconds

202
Q

Structural

What is ductile behavior of materials

A

The ability of a material to stretch and or bend without suddenly breaking

203
Q

Petrogen

What is the lighting sequence for the torch

A

1) 1/2 turn oxygen
2) purge
3) 1/2 turn fuel
4) light

204
Q

Rope

Pt packaging devices are good for how long

A

10 years

205
Q

Structural

What is the symbol for a dead victim removed

A

A V with a line and an X with a circle around it

206
Q

Rope

What is NFPA 1670

A

Training

207
Q

Petrogen

How many plunges should it take for the 2 quart tank to pressurize

A

15-25 plunges

208
Q

Structural

When should shores be inspected

A

1) every 12 hours

2) any known load changes

209
Q

Rope

How far should pickets be spaced

A

4 ft

210
Q

Rope

At what weight will Prussics slip

A

700 pounds

211
Q

Rope

When should a kernmantle rope be placed out of service

A

1) 3 damaged mantle threads are broken in one place

2) any part of the core is showing

212
Q

Structural

How is cribbing interconnected

A

3/8” X 16” X 1.5 times the height of the crib

On all four sides with 8d nails 3” on center

213
Q

Structural

What is the shoring symbol for cribbing

A

Pound sign with a C in the middle

214
Q

Vortex

How many guy lines and at what angle are needed for a gin pole (non - anchor)

A

3 guy lines at 120 degrees

215
Q

Trench

The Stanley pump system is rated at what

A

800 GPM

216
Q

Con space

Light comms - what does 1 flash mean

A

Ok

217
Q

Trench

How much does 1 cubic yard of soil weigh

A

2,700 pounds

218
Q

Swift water

Why min equipment should the downstream safety have

A

1) appropriate PPE
2) throw bag
3) radio

219
Q

Structural

What is the ideal angle for a paratech strut used as an A frame

A

45 - 55 degrees

220
Q

Trench

How far is the safety zone extend past the fin form

A

1 foot

221
Q

Structural

Double T shore - at what height do you need a mid point brace

A

Over 6 feet tall

222
Q

Trench

Where should you approach a trench

A

From the end no closer then 4 foot

223
Q

Petrogen

When cutting overhead or in excess of 30 feet you may need to compensate by doing what

A

Increasing the fuel tank pressure

224
Q

Trench

You should not lower a trench box over what

A

The victim

225
Q

Trench

At what PSI will get you a shore thrust of 491 pounds

A

100 PSI

226
Q

Vortex

True or false

The feet of the vortex have to be tied down or hobbled in all configurations

A

True

227
Q

Swift water

What color helmet signifies a SW Technician

A

Yellow

228
Q

Structural

What is the symbol for a live victim removed

A

A V with an X and a circle around it

229
Q

Rope

What is the load on a change of direction from 30 - 90 degrees

A

150 % of the load

230
Q

Swift water

When the speed of the water is doubled the force on any object is what

A

Quadrupled

231
Q

Swift water

How long is a throw bag

A

75 feet

232
Q

Trench

A spoil pile must be set back a minimum of ____ and be no taller than _____

A

1) 2 feet

2) 4 feet

233
Q

Rope

What is the maximum rope life

A

10 years

234
Q

Rope

What is the max tension ratio that should be out on a high line

A

18:1

235
Q

Structural

How much water do you need to drink to stay hydrated for 15 - 20 min of work

A

4 - 8 oz of water

236
Q

Structural

How much does reinforced concrete weigh

A

150 PCF

237
Q

Swift water

Active search and rescue operations should continue for victims submerged up to how long

A

60 min

238
Q

Swift water

What is a drowning hole

A

If looked at from upstream it’s points will be pointing towards you

239
Q

Swift water

What is aggregate temp

A

Ambient temp + water temp

If it’s 140 or leas then they chance for hypothermia is greatly increased

240
Q

Trench

In what order are shores typically set

A

Top, middle, bottom

241
Q

Con space

Rope comms - what does 3 tugs mean

A

Take up slack

242
Q

Con space

What is the preferred way to ventilate flammable or toxic atmospheres

A

Exhaust ventilation

243
Q

Structural

What are they hydro fusions ideal angles for lifting

A

60 - 80 degrees

244
Q

Trench

How high of the ground should an electric fan be placed and why

A

1) 8 - 12 inches off the ground

2) prevent from drawing in debris

245
Q

Petrogen

What 3 degrees or available for the torch head

A

1) 75
2) 90
3) 180

246
Q

Swift water

Current flow is what

A

The flow of water typically in a straight line

doesn’t necessarily have to follow the shore line

247
Q

Trench

True or false

It is okay to walk on a spoil pile

A

False

248
Q

Con space

What constitutes a confined space

A

1) Space large enough for someone to enter and perform work
2) has limited or restricted means of entry / exit
3) not designed for human occupancy

249
Q

Swift water

In the IDR victim recognition stage, what are the victims expected mental capacity

A

Victim is face down in the water but able to get ahead above water for a breath

250
Q

Swift water

What is and who should be in the cold zone

A

1) any untrained personnel

2) greater than 10 feet from the water line

251
Q

Rope

What is the weakest shape of carabiner

A

Oval

252
Q

Rope

What is the strength requirement of a carabiner

A

5,000 pounds

253
Q

Rope

What is the requirement for a technical use pulley

A

5,000 pounds

254
Q

Tools

Current = ______ divided by ______

A

1) volts

2) resistance

255
Q

Structural

In the victim marking V ➡️, what does the arrow indicate

A

Victim location / victim direction

256
Q

Trench

Underground utility markings marked with green are what

A

Sewage

257
Q

Swift water

What is the definition of helical flow

A

As water passes along the sides of the shore it creates a circular swirl

( reason why any person within 10ft of the water needs a PFD)

258
Q

Con space

Rope comms- what does 4 tugs mean

A

Help

259
Q

Swift water

How many personnel could be required to make a single person rescue

A

16

260
Q

Swift water

Any single long whistle blast means what

A

Stop look at the person

261
Q

Trench

What will decrease a trench’s safety by 50 %

A

Water

262
Q

Swift water

What is the definition of foot entrapment

A

When a persons extremity becomes entrapped while operating in moving water

263
Q

Structural

How far should you drive pickets and at what angle

A

1) 2/3 of the length of the picket

2) 15 degree angle

264
Q

Rope

What efficiency is the bowling

A

58 - 71 percent

265
Q

Trench

What material is a trench panel made of

A

Arctic white birch

266
Q

Structural

What is the shoring sequence for reinforced concrete construction

A

3 undamaged floors can support 1 damaged floor

267
Q

Trench

Underground utility markings, what does purple markings mean

A

Reclaimed water

268
Q

Trench

What is the size and weight of trench box panels

A

1) 4’ X 7’

2) 80 pounds

269
Q

Trench

When a slough in occurs, if the void that is left is greater than ________ it must be filled in

A

18 “

270
Q

Power tools

AC power can do what that DC power can’t

A

Switch polarity

271
Q

Rope

What percentage of body weight should you use for a load check

A

80 %

272
Q

Structural

How much does a single rescuer weigh

A

10 - 15 PSF

273
Q

Structural

What are the 3 types of ways we can use slings and what are their strengths

A

1) straight - 100 %
2) basket - 200 %
3) choker - 3/4 strength

274
Q

Rope

A 4 line high line is designed to move how

A

From high to low, or low to high

No vertical capabilities

275
Q

Rope

What is the difference between a 4 line and 5 line high line

A

A 5 line high line ya vertical capabilities

276
Q

Rope

What is the difference of a 6 line high line from a 4 or 5 line

A

Ability to launch and recover from both sides

277
Q

Rope

How many pounds is equal to 1 KN

A

220 pounds

278
Q

Structural

What is the multiplier for a 45 degree raker

A

17

279
Q

Structural

What is the multiplier for a 60 degree raker

A

14

280
Q

Con space

What are the 3 common atmospheric hazards

A

1) Deviations in ambient oxygen level make
2) presence of combustible gasses, vapors, or dust
3) presence of toxic gasses

281
Q

Trench

What conditions will contribute to a slough in

A

1) soil make up
2) water
3) vibrations
4) multiple trenches

282
Q

Con space

What info should be turned over to the next team upon exiting the space

A

1) location of patients / status
2) specific hazards
3) if primary task was completed
4) update of map / blueprints

283
Q

Swift water

What are the 3 phases of response

A

1) flood watch
2) flood warning
3) action phase

284
Q

Swift water

What does the glow stick color red mean

A

Port

285
Q

Structural

When is co an IDLH environment

A

1,200 PPM

286
Q

Trench

What is the standard starting pressure for paratech struts

A

100 PSI

287
Q

Rope

How many pounds is an L rating

A

300 pounds

288
Q

Trench

What are the safety zones for a trench

A

1) hot - 0 - 50 feet
2) warm - 50 - 150 feet
3) cold - 150 + feet

289
Q

Rope

What is NFPA 1006

A

Qualifications

290
Q

Swift water

Why are the two types of environmental hazards

A

1) hypothermia

2) hyperthermia

291
Q

Trench

Shores shall be placed no more than how far apart

A

4 feet

292
Q

Swift water

What is the hand signal for ok

A

Closed fist tapped on top of your head

293
Q

Swift water

What is the hand signal for slack

A

Spin 1 finger vertically down

294
Q

Rope

What is the requirement for a general use pulley

A

8,100 pounds

295
Q

Tool

Force = ______ + _______

A

1) speed
+
2) pressure

296
Q

Tools

Hydraulic fluid temperature should be within what temperature range

A

60 - 140 degrees

297
Q

Swift water

What should you try to maintain with a victim

A

Visual and verbal contact

298
Q

Trench

How far above the trench lip should the ladder extend

A

3 feet

299
Q

Structural

What is the horn blast for stop work

A

1 long blast

3 second duration

300
Q

Structural

For a 3 - 5 post vertical, when is a mid point brace needed

A

8 feet post height and greater

301
Q

Trench

Underground utility markings marked in red are what

A

Electricity

302
Q

Structural

Which type of sloped floor shore is “hinged”

A

Type 2

Square side on top

30” clear on sole

303
Q

Trench

If a trench is greater than 12’ deep, what size lumber should be used

A

8 X 8

304
Q

Petrogen

What size hose connection do we use for oxygen

A

9 / 16 hose connection

305
Q

Swift water

Direction from which water is flowing is

A

Upstream

306
Q

Petrogen

Where should you fill the fuel tank to

A

Top weld line

307
Q

Swift water

What is a strainer

A

Object or structure that allows water to travel but not a rescuer or victim

308
Q

Swift water

What is an eddy fence

A

Line of swirls cause by the reversal of water in the eddy and the downstream flow

309
Q

Con space

What are the 6 steps to lock out / tag out

A

1) prep for shutdown
2) shutdown
3) isolation
4) application of lockout / tag out
5) control stored energy
6) verification

310
Q

Rope

What are the 3 different types of locks on carabiners

A

1) key lock
2) pin and notch
3) claw

311
Q

Trench

What other things can cause trench emergencies

A

1) machine accident
2) pipe, box, or other equipment trap
3) water
4) medical emergency
5) bad air

312
Q

Petrogen

Where should the fuel tank be placed and why

A

On the floor to prevent static discharge

313
Q

Swift water

What types of water incidents could we respond to

A

1) flat water
2) swift water
3) flood water
4) ice

314
Q

Swift water

What is minimum staffing for a boat

A

1 operator and 2 swift water techs

315
Q

Trench

What are 2 types of slough ins

A

1) rotational slide

2) bell pier

316
Q

Swift water

Definition of confluence wave

A

Formed when 2 seperate flows meet

317
Q

Petrogen

How deep will the 81 tip cut

A

1/4” - 1”

318
Q

Petrogen

How and how long do you warm the tip of the torch

A

For 5 - 10 seconds at a 45 degree angle

319
Q

Structural

How much does concrete rubble weigh

A

10 PSF per inch of thickness

320
Q

Swift water

What is the glow stick color white mean

A

Stern

321
Q

Swift water

What is the dispatch for a water rescue

A

1) 2 boats
2) 1 rescue
3) 1 truck
4) 2 engines
5) 1 BC
6) 1 safety officer
7) 2 ems units

322
Q

Vortex

What is the inside height clearance of a tripod without additional legs

A

9 ft

323
Q

Vortex

What is the inside height clearance of a tripod with additional legs

A

12 ft

324
Q

Trench

How far should shores be placed from the lip and from the bottom

A

2 feet

325
Q

Structural

What is the collapse zone

A

The immediate area that could be affected by further collapse, falling debris, or other hazard situations

326
Q

Trench

What is a slough in

A

When a portion of the trench wall (usually in the middle) gives way and leaves behind a void

327
Q

Swift water

Boat deployments are considered to be ______ to _______ risk

A

Medium to high risk

328
Q

Rope

How do we calculate force on an anchor due to elevation

A

Distance of elevation X load in pounds = torque

329
Q

Con space

What are the 3 ways duct ventilation will / could cause problems

A

1) short circuit
2) chimney effect
3) recirculating

330
Q

Con space

What are the 2 types of ventilation

A

Natural and mechanical

331
Q

Swift water

What is river right

A

Right side of the river when looking downstream

332
Q

Swift water

What is an eddy

A

Reversal of water from downstream to upstream (after an object)

333
Q

Structural

What is the symbol for a confirmed dead victim

A

V with a line and a circle around it

334
Q

Swift water

What is and who should be in the hot zone

A

Technician level personnel only and in or above the water

335
Q

Rope

What does 1 whistle blast mean

A

Stop

336
Q

Rope

What does 3 whistle blasts mean

A

Down

337
Q

Rope

What does 4 whistle blast mean

A

Rope free

338
Q

Rope

What does continuous whistle blasts mean

A

Help

339
Q

Structural

What is the shoring symbol for a laced post

A

LP inside of a square

340
Q

Structural

What is the length of 2 X wedges

A

12”

341
Q

Structural

What is the length of 4 X wedges

A

18”

342
Q

Structural

What is the max height for a T spot shore

A

11 ft

343
Q

Swift water

Water pushes against a typical car with about _____ pounds of force and displaces about ______ pounds

A

1) 500 pounds

2) 1500 pounds

344
Q

Swift water

At what speed is water considered “swift water”

A

1 knot or 1.15 mph

345
Q

Trench

What is side A of the trench

A

Working side

346
Q

Rope

Is a munter hitch a 2 person load

A

No

And not suitable for a belay

347
Q

Trench

What is side B of the trench

A

Non working side

348
Q

Swift water

How much water will float a vehicle

A

12”

349
Q

Swift water

How much water will carry a vehicle away

A

24”

350
Q

Con space

1 % of volume is equal to how many PPM

A

10,000 PPM

351
Q

Structural

What is the cutting depth of the 14” ring saw

A

10.6 “

352
Q

Structural

Where should the load be placed on a crib tower

A

Center 1/3 of the crib tower

353
Q

Con space

Entry teams and back up teams should acquire what tools to fix / repair air systems

A

1) air fittings
2) air hose
3) Teflon tape
4) duct tape
5) tool box

354
Q

Rope

What is NFPA 1983

A

Life safety rope

355
Q

Structural

When 2 slabs of concrete are connected by a column and the tendency of the slab is to drop as a unit around the column is what

A

Punching shear

356
Q

Swift water

What are the 3 search patterns

A

1) sweep
2) double back
3) spiral

357
Q

Swift water

What are the conditions for a sub surface search

A

1) with or without PFD
2) must have a spotter
3) no more than 10 min duration
4) no longer than 60 seconds
5) no greater depth of 10ft

358
Q

Swift water

What PPE is required for all flood waters

A

Dry suit

359
Q

Swift water

What is the hand signal for stop

A

Two raised fists above head

360
Q

Swift water

What is a pillow

A

When water meets a solid object and raises above the water line

361
Q

Con space

What are the 2 types of mechanical ventilation

A

Supply and exhaust

362
Q

Petrogen

How are the fuel connections labeled

A

1) reverse threaded

2) with a notch on the hose connector

363
Q

Trench

What % survival do patients who are completely buried have to live

A

Less than 1 %

364
Q

Structural

When combined compression, tension, and shear forces act on an object is known as what

A

Bending forces

365
Q

Vortex

What are the 3 main configurations

A

1) tripod
2) bi-pod or A frame
3) monopod or gin pole

366
Q

Swift water

What is NFPA 1670

A

Training

367
Q

Swift water

What is in a water rescue task force

A

1) 2 boats
2) rescue with atleast 2 swift water technicians
3) 1 BC
4) 1 EMS unit

368
Q

Trench

What classification does fairfax county assume all soils to be

A

Class C

369
Q

Structural

What is the shoring sequence for pre-cast concrete construction

A

All the way to the floor / ground

370
Q

Vortex

Resultant force should always be pointed where

A

In the middle of the legs / down the legs

371
Q

Swift water

What is a smiling hole

A

Points of the outside point away from you if looking downstream

372
Q

Rope

What is NFPA 1500

A

Health and safety

373
Q

Swift water

Definition of a “boil line”

A

Marks the area where the current splits direction of flow

Aerated part is flowing upstream, darker water is flowing downstream

Typically after a low head damn

374
Q

Vortex

Where should you have a travel / fall restraint

A

When working within 6 ft of the edge

375
Q

Swift water

When is a swift water event considered IDLH

A

When you enter the water or above the water or in a boat

376
Q

Swift water

What are the 3 types of emergencies

A

1) victim trapped in flood waters
2) victim fallen through ice or in the water
3) victim stranded

377
Q

Structural

Max height for a Double T

A

12 feet

378
Q

Con space

What are the 4 basic categories of hazards

A

1) atmospheric
2) physical / mechanical
3) environmental
4) psychological

379
Q

Con space

Hazardous atmosphere for flammables is what

A

Gas, vapor, or mist in excess of 10% of its LFL

380
Q

Structural

When building a 3 post pneumatic column, if you need a column cap / backing what is it made of

A

4 layers of

3/4” plywood by 32” square

381
Q

Structural

When building a pneumatic strut column, how big is the column head

A

16” square

382
Q

Structural

What is the limit on psi for pneumatic shoring

A

No more than 50 PSI

383
Q

Structural

What is the max height for a 6X6 crib tower

A

6 ft

384
Q

Structural

What is the max height for a 4X4 box crib tower

A

4 ft

385
Q

Structural

If 4X4 material is NOT available, what material is acceptable for vertical shores

A

3- 2X4s

Joints should be staggered 2 ft from each other

386
Q

Structural

What is the design load for a 4X4 post at 12 feet

A

3,500 pounds

387
Q

Structural

What is the design load for a 4x4 post at 10 ft

A

5,000 pounds

388
Q

Structural

What is the design load for a 4x4 post at 8 ft

A

8,000 pounds

389
Q

Structural

Can a piece of lumber be used instead of a half gusset on a spot T shore

A

Yes

2x4x18”

390
Q

Structural

What is the length of an 8d nail

A

2.5”

391
Q

Structural

What is the length of a 16d nail

A

3.25”

392
Q

Trench

Where should the first monitor reading be taken at

A

Closest to the victim

393
Q

Trench

What type of ground pad should be used in between a spoil pile and the trench lip or if a normal ground pad is to large to fit between the trench lip and another object

A

2x12” boards

394
Q

Rope

Flying W is what type of system

A

3:1 pulling on a 2:1

395
Q

Rope

How does a piggy back system operate

A

1 built system ( pre built set of 4s) pulling on a simple system

396
Q

Rope

How does a complex system operate

A

System pulls on itself and the load

397
Q

Rope

How does a compound system operate

A

A system pulling on a simple system

398
Q

Rope

How does a simple rope system operate

A

A system pulling on the load directly

399
Q

Rope

What are your ideal anchor angles

A

30 - 90 degrees

400
Q

Rope

How many wraps should Prussic hitch have if supporting personnel

A

3 wraps

401
Q

Rope

How many wraps should a prussic hitch have for a non life supporting load

A

2 wraps

402
Q

Rope

Depending on entry and exit angle of the main line, the force on the legs can be multiplied to _______ the weight of the load

A

2 X

403
Q

Rope

A fall factor of 2 is when the anchor is where

A

Same level as legs or ground level

404
Q

Rope

A fall factor of 1 is when the anchor is where

A

Waist level

405
Q

Rope

A fall factor of 0 is when the anchor is where

A

At or above chest level

406
Q

Structural

What is the design load for a raker

Both 4X4 and 6X6

A

1) 4x4 - 2500 lbs

2) 6x6 - 3600 lbs

407
Q

Structural

What is the design load of a 6x6 window or door shore

A

6000 pounds

408
Q

Structural

What is the design load of a 4x4 window or door shore

A

2000 pounds

409
Q

Structural

What is the max height of a 4x4 and a 6x6 plywood lace post

A

17 feet

410
Q

Structural

If the posts are not straight for a vertical shore, where should the bow be faced

A

To the outside

411
Q

Structural

What is the design strength of a 4x raker system

A

5000 pounds

412
Q

Structural

What is the design strength of 4x4 laced post

A

32000 pounds

413
Q

Structural

What is the design strength of a 6x6, 12’ long

A

20,000 pounds

414
Q

Structural

What is the range of weight for concrete floors

A

80 - 150 psf

415
Q

Structural

What is the weight range of steel floors

A

50 - 70 psf

416
Q

Structural

What is the weight range for wood floors

A

10 - 25 psf

417
Q

Rope / vortex

What is the horizontal clearance of the tripod configuration

A

8’ 9”

418
Q

Structural

1 kip is equal to how many pounds

A

1000 pounds

419
Q

Structural

How many mid point braces are needed for a double raker with an insertion point over 16’

A

4

420
Q

Structural

How many anchor bolts does a double raker have

A

45 degrees - 3

60 degrees - 5

421
Q

Structural

How many anchor bolts does a raker shore have

A

45 degrees - 2

60 degrees - 3

422
Q

Structural

What is the maximum insertion point for a double raker

A

4x4 - 16 feet

6x6 - 24 feet

423
Q

Con space

What is bridging

A

When grain or other loose material cling to the sides of a container being emptied from below, leaving a hollow space underneath the “bridged” material

424
Q

Structural

What is the design load for a 6x6 window or door shore header

A

6000 pounds

TROT Tech (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions