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Welder 1 > Module three climbing, lifting loads, moving and material handling part B > Flashcards

Module three climbing, lifting loads, moving and material handling part B Flashcards

1
Q

Who is ultimately responsible for ensuring the integrity of the rigging equipment prior to each shift?
A) employee
B) employer
C) supervisor
D) consultant

A

B) employer

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2
Q

What must always be present present on a sling before it is used?
A) protective coating
B) a label
C) and expiry date
D) a thimble

A

B) a label

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3
Q

What is the minimum ultimate load ratio for a chain?
A) 1:1
B) 2:1
C) 4:1
D) 5:1

A

C) 4:1

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4
Q

List 3 things synthetic web slings should be inspected for

A
  1. Missing or unreadable tags
  2. Visible signs of melting, charring, cuts, tear, chemical damage
  3. Signs of excessive wear or fraying
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5
Q

What does WLL stand for?

A

Working load limit

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6
Q

Why have most workplaces reduced their use of synthetic ropes for lifting and hoisting?
A) they often fray or tear during the lift
B) they have a lower engineer rating
C) it is difficult to balance using them
D) there are too many types of knots

A

B) they have a lower engineer rating

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7
Q

_________ a wire rope can expose broken wires in the valley between strands

A

Flexing

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8
Q

Plate clamps are equipped with what type of jaw?
A) serrated
B) Knurled
C) magnetic
D) all of the above

A

A) serrated

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9
Q

With regards to U-bolt, what does the phrase never saddle a dead horse refer to?
A) the saddle must always be on the live/ loaded end
B) the saddle, must always be on the dead (non loaded) end
C) the U-bolt must always be on the live ( loaded ) end
D) you must put two U-bolt on the live/loaded end

A

A) the saddle must always be on the live/ loaded end

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10
Q

When using a plate clamp to pull or lift a plate make sure your line is _________ to prevent it from releasing and sliding off.

A

Directly overhead

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11
Q

________ must be retorqued after the rope is subjected to a load for an hour or two and periodically after that.

A

Wire rope clips

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12
Q

The ______ is the weight that can be safely lifted by a wire rope.

A

WLL

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13
Q

Calculate the working load limit for a 3/4” diameter wire rope in tons.
Hint
WLL=d^2 x8

A

WLL=D^2 x 8
=.75 x .75 x 8
= 4.5 tons

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14
Q

What is the safety factor for wire rope when lifting people?
A) 5:1
B)8:1
C)10:1
D)15:1

A

C) 10:1

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15
Q

Explain safety factor

A

A safety factor is a ratio that provides a margin of extra strength so that even if extra stresses are placed on the rope, it will not fail in other words safety factor refers to

how much stronger the system is compared to what is required

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16
Q

List the 4 steps taken to ensure that the sling angle is safe for lifting.

A
  1. Measure the length of the sling leg and fittings.
  2. Find the centre of gravity of the load.
  3. Measure an equal distance on either side of the centre of gravity equal to half the length of the sling leg and fittings.
  4. position the sling legs to these two points before making the lift.
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17
Q

What is the arc radius that the rope in the sheave should be supported at?
A)60-90
B)90-120
C)120-150
D)150-180

A

C)120-150

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18
Q

You provide a mechanical advantage with the use of ___________ to safely move a load that is greater in weight than the WLL of the single rope?

A

Blocks

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19
Q

In what situation is it appropriate to use an anchor shackle?

A

When two slings are used to lift a load in a bridal sling arrangement the anchor shackle is an appropriate equipment selection

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20
Q

List two actions that can be used to safely apply force when guiding and following a suspended load

A
  1. Apply a sideways force always pushing the load away from you.
  2. Use a rope to pull the load to avoid back screen or entrapment.
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21
Q

A _________ must watch the load; the __________ must watch you.

A

Signal person
Operator

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22
Q

If a signal person throws both arms outward, what is he signaling?

A

Emergency stop

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23
Q

If a signal person has one hand out stretched and flat and the other hand giving a thumbs up signal underneath that hand, what is he signaling?

A

Raise the boom slowly

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24
Q

What standard must a full body harness meat?
A) WCB
B) ULC
C) PPE
D) CSA

A

D) CSA

25
Q

How often must you inspect your fall arrest equipment?
A) before use on the first shift of the week
B) before use on the first shift of the month
C) before use on each shift
D) only after the equipment was used to protect you from a fall

A

C) before use on each shift

26
Q

What is the minimum distance a ladder must protrude above the intended landing point?
A) .3m (1ft)
B) 1m (3ft)
C) 1/4 the length of the ladder
D) 1/4 the distance of the base of the ladder from the base of the wall or structure

A

B) 1m (3ft)

27
Q

The safety factor for scaffold must be designed and constructed to support at least?
A) three times the load that may be imposed on it
B) four times the load that may be imposed on it
C) five times the load that may be imposed on it
D) six times the load may be imposed on it

A

B) four times the load that may be imposed on it

28
Q

At what height must the employer have a guard rail erected for a temporary work area?
A) 2.4 M or 8’
B) 3.0 M or 10’
C) 3.7 M or 12’
D) 4.2 M or 14’ going to be 3.7 m

A

B) 3.0 M or 10’

29
Q

When conducting a hazard assessment related to lifting and handling a load, your employer must consider the
A) weight size, and shape of the load
B) cost of renting moving equipment
C) insured value of the load to be moved
D) number of people required to move the load

A

A) weight size, and shape of the load

30
Q

What is not an example of a recommended lifting technique?
A) avoid awkward postures
B) lift loads smoothly
C) lift no higher than eye level
D) Begin lifting at knee level

A

C) lift no higher than eye level

31
Q

What is the goal of proper lifting technique?
A) to constantly practice lifting to become more skilled
B) to increase lifting efficiency and capacity with practice
C) to increase the number of lifts performed each day
D) to eliminate loading stress on the soft tissue of your lower back

A

D) to eliminate loading stress on the soft tissue of your lower back

32
Q

How is working load limit defined?
A) breaking strength divided by the safety factor
B) safety factor divided by the breaking strength
C) the ultimate tensile strength (UTS)
D) the safest way to move and lower a load

A

A) breaking strength divided by the safety factor

33
Q

What does the term shock loading mean when applied to rigging equipment?
A) a stray spark from a work operation occurs when the sling has load applied to it
B) the sling is exposed to stress from the load, suddenly starting or stopping
C) the sling contacts and electrical conductor when the sling is loaded
D) the sling is used as an electrical conductor to connect to a load sensor in the lifting equipment

A

B) the sling is exposed to stress from the load, suddenly starting or stopping

34
Q

What rigging factor of safety is to be used when lifting and transporting workers?
A) 2:1
B) 5:1
C) 10:1
D) 20:1

A

C) 10:1

35
Q

How often should rigging be inspected?

A

At the beginning of each work shift

36
Q

What is the recommended sling angle when rigging a load?
A) must never be greater than 45*
B) must never be less than 45*
C) must never be greater than 60*
D) must never be less than 60*

A

D) must never be less than 60*

37
Q

Before attempting to lift an object, you should determine its?
A) length
B) Width
C) Weight
D) Height

A

C) Weight

38
Q

If you must carry a heavy object, what is the best way to hold it?

A

Close to your body

39
Q

What should you do if you’re helping to move a suspended load

A

Guide and follow the load

40
Q

What is the safest method of storing loose materials?
A) put them in containers or bins
B) pile them into the shape of pyramid
C) stack them according to size on shelves
D) stack them against the wall, according to length

A

A) put them in containers or bins

41
Q

What is the hand signal for an emergency stop when hoisting a load?

A

Both arms straight out from your shoulders.

42
Q

Which signal indicates boom down?
A) arm position, horizontal and thumb pointing down
B) arm position, horizontal, and thumb pointing up
C) arm position, horizontal, and fingers pointing down
D) arm position, vertical and thumb pointing down.

A

A) arm position, horizontal and thumb pointing down

43
Q

Which signal indicates hoist load?
A) arm straight out with thumb pointing upwards
B) arm, vertical with fingers pointing upwards
C) both arms straight up in a vertical position
D) forearm, vertical forefinger pointing up small circles.

A

D) forearm, vertical forefinger pointing up small circles.

44
Q

Which signal indicates to lower the boom and raise the load?
A) thumb pointing down and other hand under thumb
B) thumb pointing up other hand above thumb
C) thumb pointing down and fingers moving back-and-forth
D) pointing up and fingers moving back-and-forth

A

C) thumb pointing down and fingers moving back-and-forth

45
Q

A knot in a fibre rope can reduce the strength of the rope by approximately
A) 5%
B) 15%
C) 50%
D) 85%

A

C) 50%

46
Q

A Clovehitch
A) can be used to attach rope to a post or pipe
B) can be used to hold personnel
C) reduces the fibre rope to 25% of its working strength
D) is a good non-slip knot

A

A) can be used to attach rope to a post or pipe

47
Q

A bowline knot
A) slips easily when load is applied
B) can be used for hoisting safety personnel
C) is easy to tie an untie when a load is applied
D) is a hitch knot

A

C) is easy to tie an untie when a load is applied

48
Q

What hitch would be best used as a back up to other knots/hitches?
A) Timberhitch
B) cats paw
C) Halfhitch
D) Carrick bend

A

C) Halfhitch

49
Q

Which synthetic fibre rope is the strongest
A) nylon
B) polyester
C) polypropylene
D) polyethylene

A

A) nylon

50
Q

What is the approximate weight of a piece of steel that is 305mm x 305mm and 25.4mm thick (1 foot x 1 foot & 1” thick) ?
A) 4.5 KG or 10 LB
B) 18.5 KG or 40 LB
C) 37 KG or 80 LB
D) 45.5 KG or 100 LB

A

B) 18.5 KG or 40 LB

51
Q

Where is the centre of gravity of an object located?
A) at the point where it weighs the least
B) at the point where it lands when dropped
C) at the point that causes it to top over
D) at the point where the object balances

A

D) at the point where the object balances

52
Q

What can happen if you lift a load with the centre of gravity above the lifting points?

A

It could tip over or shift

53
Q

What is the safety factor for wire rope when lifting people?
A) 5:1
B) 8:1
C) 10:1
D) 15:1

A

C)10:1

54
Q

The working load limit for wire rope is D^2 x 8 = WLL in tons. What is the WLL of 3/4” diameter wire rope
A) 4.5 tons
B) 5.6 tons
C) 10.6 tons
D) 12 tons

A

A) 4.5 tons

55
Q

Which statement is true with respect to synthetic web slings?
A) they are heavier than wire rope slings
B) they are lightweight and very flexible
C) they can lift on corners without padding
D) irregularly shaped loads, cannot be lifted

A

B) they are lightweight and very flexible

56
Q

What is the approximate maximum working load for a 3“ wide nylon sling (8000lb/in material) using a single choker hitch?
A) 2400 lb
B) 3600 lb
C) 4800 lb
D) 9600 lb

A

B) 3600 lb

57
Q

What is the maximum number of plates that can be lifted safely using a plate clamp with a locking grip?
A) 1
B) 2
C) 3
D) as many as well fit between the jaws

A

A) 1

58
Q

When U-Bolt type clips are used for wire rope fastening where is the U-bolt section applied?
A) on either side of the rope
B) alternating on each side
C) on the live end of the rope
D) on the dead end of the rope

A

D) on the dead end of the rope

Welder 1 (20 decks)

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