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TFD BC > Powered Equipment > Flashcards

Powered Equipment Flashcards

1
Q

What is each directional movement of a piston in its range of travel called?

A

The stroke

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2
Q

In a 4 stroke engine, how many times must a piston move up AND down to complete a cylcle?

A

2 Times(2 revolutions of the crankshaft)

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3
Q

What kind of fuel will a 4 stroke engine use?

A

Gas or Diesel

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4
Q

In which stroke does a spark plug fire to ignite the fuel/air mixture?

A

The Compression stroke

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5
Q

Which stroke produces the engines power?

A

The power stroke

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6
Q

One the _____ movement of the piston, waste gasses are ______ and an air/fuel mixture is _____ into the cylinder by the _____ generated

This is stroke #____ on a 2 stroke engine

A

Downward, exhausted, drawn, vacuum

Stroke #1

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7
Q

On the ____ movement of the piston the air/fuel mixture is ______ generating heat. When the piston reaches the _____ of its upward travel the spark plug fires igniting the mixture.

This is stroke #____ on a 2 stroke engine

A

Upward, compressed, top

Stroke #2

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8
Q

What are the two power saws that we have?

A

Chain saws and rotary circular saws

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9
Q

What kind of internal combustion engines do all of our power saws have?

A

2 stroke

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10
Q

What are the uses for power saws?

4

A

Ventilation, forcible entry, extrication, building collapse

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11
Q

On what kind of apparatuses are power saws found on?

A

Ladder trucks, ladder tenders, heavy rescue 04, engines

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12
Q

Ladders/Tenders and Heavy Rescue 04 usually carry…

A

2 chain saws and one rotary saw

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13
Q

All TFD engines are now equipped with a…

A

Rotary saw and an assortment of blades

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14
Q

What are the 4 models of circular saws that we have?

A

Stihl TS-360, TS-400 TS-420, TS-460

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15
Q

What is the proper ratio of fuel/2 stroke oil? How many ounces do you put in 1 gallon to make that ratio?

A

50/1

2.5oz

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16
Q

All of the circular saws that we have use what size blade?

A

12”-14”

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17
Q

What is the displacement(size of the motor) for the TS-360, TS-400 TS-420, TS-460?

A
  1. 68ci
  2. 9ci
  3. 07ci
  4. 42ci
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18
Q

What is the max RPM for the TS-360, TS-400 TS-420, TS-460?

A

5000
5350
5350
5350

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19
Q

What is the weight without a blade for the TS-360, TS-400 TS-420, TS-460?

A
  1. 9lbs
  2. 5 lbs
  3. 3lbs
  4. 3lbs
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20
Q

What are the 3 saw blade types for circular saws

A

Steel carbide tipped blade
Composite blade
Rescue blade

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21
Q

What is the rescue blade able to cut?

A

Concrete, brick, masonry block, wood, steel, iron, glass, and plastic

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22
Q

What is the rescue blade made out of?

A

Steel core with industrial cutting diamonds vacuum-brazed to the edge

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23
Q

What is the maximum operating speed of the rescue blade?

A

5400 RPM

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24
Q

How much does the rescue blade weigh?

A

6lbs

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25
Q

The rescue blade can be _____ cooled

A

Water

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26
Q

Where is the rescue blade located?

A

On all engines, ladders, and ladder tenders

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27
Q

When using the rescue blade, what should you do to make sure the blade doesn’t “bog” in the cut?

A

Keep the saw RPM high

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28
Q

On a rescue blade the diamond edge may glaze up. What should you do if this happens?

A

Stick the tip of the blade while spinning at high RPMs into asphalt, concrete, block, brick, etc. to deglaze the cutting edge

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29
Q

You must never stop the rotation of the rescue blade by…

Doing this will…

A

Sticking it into something

Shorten the blade’s life

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30
Q

What are steel carbide tipped blades used for?

A

Cutting wood and non ferrous metals (copper/aluminum)

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31
Q

What are “non-ferrous” metals?

A

Metals that don’t have iron

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32
Q

Replace the steel carbide tipped blade when ____ of the tips are missing

A

1/3

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33
Q

What must you do before bringing the steel carbide tipped blade into contact with a surface?

A

Run the saw at full throttle

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34
Q

What are composite blades made out of?

A

Fiberglass and epoxy impregnated with an abrasive material

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35
Q

What are composite blades used for?

A

Cutting steel, concrete, and masonry

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36
Q

What speed must composite blades be spinning before contacting the work surface?

A

Idle speed

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37
Q

What mus be used to absorb or stop the transfer of vibration from the saw to the blade?

A

Blotters

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38
Q

Why must composite blades be stored away from petroleum products?

A

Petroleum products may cause break down of the blade

39
Q

To change a circular saw blade, you must engage the _____ _____ _____

A

Spindle locking pin

40
Q

What is the washer called that sits on the blade on a circular saw?

A

Thrust washer

41
Q

What kind of PPE must be worn when starting a saw?

A

Full PPE, safety glasses, and helmet with shield down

42
Q

Before starting the circular saw and flipping the switch to “on”, what 3 things must you do?

A

Check to see that the proper blade is installed and that it is tight
Make sure the blade safety guard is in the proper starting position
Chose a stable platform to start the saw

43
Q

Before starting the saw, you must always clear…

A

In front and behind you

44
Q

Before yanking on the pull cord, you must engage the…

A

Starter Pawls

45
Q

After you turn a circular saw off, you must wait until ________________ before placing the saw on the ground

A

The blade stops turning

46
Q

What are the 4 models of chain saws that we have?

A

Stihl 029

Stihl MS 310, MS 460, MS 660

47
Q

Chain saws have what type of clutch?

A

Centrifugal

48
Q

The two main components that have to do with how the chain moves are the….

A

Clutch shoe and the sprocket drum

49
Q

Which part of the chainsaw is attached to the engine crankshaft?

A

The clutch shoe

50
Q

What engine sizes do the Stihl 029, MS310, MS460, and MS660 have?

A
  1. 3ci
  2. 6ci
  3. 67ci
  4. 6ci
51
Q

How much do the Stihl 029, MS310, MS460, and MS660 weigh without the bar and chain?

A

13lbs
13lbs
15.4lbs
16.5lbs

52
Q

The Stihl 029, MS310, and MS460 have how long of a bar, how many links, how many teeth, and what type of chain?

A

20” bar
72 links
36 Carbide tipped teeth
Single rake chain

53
Q

What are the fuel capacities for the Stihl 029, MS310, MS460, and MS660?

A
  1. 2 pints
  2. 2 pints
  3. 69 pints
  4. 74 pints
54
Q

How many HP does the Stihl MS660 put out?

A

7HP

55
Q

On the Stihl MS660, how long is the bar, how many links, and how many teeth?

A

36”
96 links
48 carbide tipped teeth

56
Q

Where can you find the Stihl MS660?

A

On Ladder 1

57
Q

What will all the chain saws cut?

A

Wood roof sheathing, asphalt shingles and sheets, fiberboard and foam board under layment, thin non-ferrous metals

58
Q

What are the things that a chain saw cannot cut?

A

Masonry tiles, concrete, heavy metal sheeting, metal bars/pipes/supports, rock or clay roof coverings

59
Q

What angle must you cut at when using the chain saw?

A

45 degrees

60
Q

You need to be aware when the tip of a chainsaw makes contact with materials being cut, you might encounter ______

A

Kickback

61
Q

All cuts with saws begin at full throttle except with _______ blades

A

Composite

62
Q

How should you position your body when cutting?

A

Out of the path of the saw blade

63
Q

Can you carry circular saws with the engine running?

A

NO

64
Q

You should never operate a saw above which part of your body?

A

Shoulder height

65
Q

What kind of engines do all generators have?

A

4 stroke

66
Q

Generators will use what type of fuel?

A

Gas

Rig mounted generator use diesel

67
Q

The Homelite 2500 has what type of engine?

A

5HP Briggs and Stratton

68
Q

For the Homelite 2500 and the Honda Multiquip, what is the wattage rating, voltage rating, and amperage rating?

A

2300W
120V
19.2 amps

69
Q

What kind of engine does the Honda Multiquip have?

A

4HP Honda

70
Q

What are the 3 uses for generators?

A

Power electric smoke ejectors, Halogen lights, and water vacuums

71
Q

How long are the electric cord reels associated with generators?

A

50’

72
Q

What is a junction box?

A

Multiple outlets from one power plant

73
Q

What is the pigtail size range?

A

18” to 24”

74
Q

What are the 4 light ratings that are used with generators?

A

300, 500, 750, 1000 watt

75
Q

Can you start a generator under a load?

A

NO

76
Q

How often do you check fuel and oil levels on a generator?

A

Daily

77
Q

You must open the fuel _______ before starting the generator

A

Petcock

78
Q

Why can’t you use a generator indoors?

A

Exhaust

79
Q

Where are smoke ejectors located?

A

On all engines, ladders, and ladder tenders

80
Q

What are smoke ejectors used for?

A

Reduce smoke and heat in a structure

Ventilate confined spaces or disperse vapors

81
Q

What are the 2 wattage ratings for electric smoke ejectors?

A

750 and 1000

82
Q

On electric smoke ejectors, how much air will a 16” and a 20” blade move?

A

5200CFM

9500CFM

83
Q

What are some advantages of an electric smoke ejector?

A

Lighter, no emissions, simple to operate, will work in an oxygen deficient atmosphere

84
Q

On an electric smoke ejector, what would model number “P 164 SE” mean?

A 
Portable
16" blade length
4 blades
Shape of a square
Explosion proof motor
85
Q

What kind of engines do gas powered smoke ejectors have?

A

4 stroke gas powered Honda engine

86
Q

How many horsepower do gas powered smoke ejectors have?

A

4-5.5

87
Q

How many blades do gas powered smoke ejectors have?

A

2-7 blades

88
Q

What are gas powered smoke ejector blades made out of?

A

Laminated Hardrock Maple or metal

89
Q

What is the range of cubic feet per minute on gas powered smoke ejectors?

A

10000 to 20000 CFM

90
Q

How is fan speed adjusted on gas powered smoke ejectors?

A

With the throttle

91
Q

You can use a gas powered smoke ejector indoors if you….

A

Use an exhaust extender

92
Q

On a circular saw with a 14” blade, what is the cutting depth?

A

4.9”

93
Q

When adjusting the V belt tension on the Stihl TS-360, what is the proper tension?

A

3/16-3/8”

TFD BC (26 decks)

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