A6 and C6 Flashcards

1
Q

Troubleshooting GUIICV

A
Gather the information
Understand the problem
Identify how to evaluate the problem
Identify the source of the problem
Correct/repair/replace the component or wiring
Verify the repair
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2
Q

half-splitting

A

identifying all the circuit components that are on the circuit and determine which component is closest to the halfway point

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3
Q

List the 4 senses that we use for troubleshooting

A

touch, smell, hearing, sight

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4
Q

most electrical circuit problems fall into

A

open cct
short cct
grounds
high resistances

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5
Q

Describe: Manila rope

A

light yellow colour
smooth
waxy surface

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6
Q

Describe: Sisal rope

A

almost white
coarse texture that is rough to the touch
weaker than manila rope
not acceptable for construction rigging and hoisting

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7
Q

Describe: Nylon rope

A

pure white, soft, pliable, and smooth
will stretch up to 40%
loses about 10% of its strength when wet
does not rot

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8
Q

Describe: Polyester rope

A

not elastic and will only stretch 5%
87% as strong as nylon
doesn’t lose any strength when wet

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9
Q

Polypropylene rope

A

poly rope, floats on water
60% as strong as nylon
best insulating properties against shock

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10
Q

list rope in order of strength

A
Nylon               100%
Polyester          87%
Polypropylene    60%
Manila
Sisal
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11
Q

Lifting Workers formula

A

WLL = RBS/10

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12
Q

General Material Lifting formula

A

WLL = RBS/DF

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13
Q

What does a thimble do

A

Protects the eye of the rope

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14
Q

Care and storage of rope

A

Keep clean dirt acts as an abrasive
Do not overload never more than 1/5 of BS
Avoid expose to direct sunlight
Do not freeze
sharp bends and knots reduce strength by .5

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15
Q

bight of a rope

A

the part that forms the loop

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16
Q

long portion of the rope

A

standing part

17
Q

Describe: Bowline

A

forms a non-slip loop at the end of a rope

18
Q

Describe: Round turn with two half hitches

A

to make a secure fastening

19
Q

Describe: Clove hitch

A

secure a rope to a fixed object, such as a post

20
Q

Describe: Timber hitch

A

to secure a rope to a plank, timber, post, tube or pipe to lift that object in a vertical position

21
Q

Describe: Single Dutchman (trucker’s knot)

A

tying down a load

forms a slip resistant loop that acts like a pulley in a block and tackle system

22
Q

Describe: Sheet bend

A

use the sheet bend to attach two ropes of unequal diameter to each other

23
Q

Describe: Bridle hitch

A

used on loads that have suitable attachments points

one sling could safely support half of the load

24
Q

Describe: Single basket hitch

A

must not be used on loads that could tilt and slide out of the hitch

25
Q

Describe: Double basket hitch

A

used on loads that need support from underneath

the legs must angle more than 60 degrees

26
Q

Describe: Double-wrap basket hitches

A

compresses all the components together

27
Q

Describe: Single choker hitch

A

will not totally secure the top of loose loads

28
Q

Describe: Double choker hitch

A

used on all horizontal loads made up of two or more pieces of material over 3m (10 ft.)

29
Q

Describe: Double-wrap choker hitch

A

squeeze the load from all sides

30
Q

Spreader bars

A

used to prevent that load from tipping or sliding

31
Q

Equalizer bars

A

ensure that the load is distributed evenly between the legs of a sling
must be professionally designed

32
Q

When to use a chain

A

when to high of temp for nylon sling

or too abrasive

33
Q

Grade of chain used for lifting

A

system 8 (grade A) must be stamped on each link

34
Q

Centre of gravity

A

must always be slung so that the centre of gravity is directly under the lifting device