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35 Cards in this Set

  • Front
  • Back

Manilla rope with one or more colored strands is?

Number 1 grade

The type of dry rope with the best insulating properties is?

Polypropylene

When loaded to the breaking point, nylon will stretch up to?

40% it's original length

What is a thimble used for?

To protect the eye of a rope around a hook.

What synthetic rope will float on water?

Polypropylene.

To remove new rope from its shipping coil you should?

Pull from the inside.

What is the purpose of whipping?

To protect the ends of a rope from fraying.

The maximum load imposed on a rope should never exceed?

1/9th it's breaking strength.

Sharp bends and knots reduce the strength of a rope by?

50%

What is the portion of teaching rope which forms the loop called?

The bight.

What knot multiplies tension imposed on it?

Truckers hitch.

For overhead lifting you should use?

A single piece of rope.

What must be done if a load comes into contact with a crane.

Crane must be reinspected.

When is it acceptable to ride a load?

Never.

What is the "centre of gravity"?

The point at which an object will balance.

What can be used to adjust a rigged load for level?

A turnbuckle

What is the clearance when working near a power line of less than 75000 volts?

3m

What is the minimum distance when working near a power line of 75,000 to 250,000 volts?

4.5 m (15')

What is the minimum distance when working near a power line of over 250,000 volts?

6m (20')

The screw threads at each end of a turnbuckle must be?

Lefthanded on one end and right handed on the other.

Shoulder type eyeballs able to withstand pulls at no greater than

45° degrees to the vertical.

When several ropes are attached to one hook, make the connection using a?

Shackle

The u bolt part of a cable clip shall be installed so it bears on the?

Dead end of the rope

What does the number of cable clips required for a connection depend on?

The diameter of rope

Correctly installed cable clips will reduce the breaking strength of rope by_________?

20%

When are equalizer beams used?

When more than one sling is used to distribute weight evenly.

Forklifts are best used for moving loads that are ________?

Palleted

What are you required to do when using a screw jack in a confined area?

Relocate the handle after every turn.

What type of overhead crane has a higher capacity?

Top-running

The size of a jack is designated by its__________?

Capacity

The mechanical advantage hydraulic Jacks is determined by what?

The ratio of the pumps piston diameter to the lifting pistons diameter.

What is a pulling device that can use chain, wire or cable?

A come-along

If you overload a tir for Jack, the shear pin will break causing ________?

All movement to stop.

What type of gloves are deemed unsafe for material handling?

Gauntlet type

How should loose material be stored?

In containers or bins.