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Crane School > Test 2 > Flashcards

Test 2 Flashcards

1
Q

What action does a signal person intend the operator to perform if he extends his arm at shoulders height makes a fist with his hand and sticks his thumb up

A

Boom up

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2
Q

Within what percentage of level does it telescopic boom crane have to be for the gross ratings in the low charge remain valid

A

1%

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3
Q

The load line of the crane you’re operating comes into contact with an energize powerline there’s no sign of any other danger such as fire in such a situation you should

A

Stay in the cabin to the lines are D energized

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4
Q

You’re setting up your crane in a confined area and you cannot fully extend your fourth out rigger your crane does not have a load chart for intermediate extension working. In such a situation you should use the capacities in the:

A

On rubber load chart

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5
Q

According to B 30.5 Mobile crane standard, how many randomly distributed broken wires in rotation resistant rope is cause for replacement of the rope

A

Two broken wires in six rock diameters

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6
Q

Unless the manufacturer states otherwise the net capacity of a crane picking on the main boom is the capacity listed in the load chart;

A

Minus the weight of the rigging and all attachments

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7
Q

Unless the operator takes account of boom deflection when lifted off the ground a properly rigged load may-

A

Swing out away from the crane

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8
Q

Which is the most common cause of death to crane operators

A

Crane turn over

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9
Q

When preparing to set up a mobile crane for operation which one of the following steps is not needed to be done by the operator

A

Check lunchroom location

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10
Q

Before making a lift on outriggers, and operator should always:

A

Extend the out rigors completely and be sure the tires are clear of the ground and a stabilizer pads are firm on the ground

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11
Q

Unless the manufacturer states otherwise truck cranes generally have no lifting capacity over which area

A

The front

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12
Q

Working radius is defined as the distance from the_

A

Center of rotation of the crane to the center of gravity of the load

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13
Q

If a bold line is shown on a load chart the capacities below the line_

A

Are based on stability of the crane

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14
Q

Rough terrain crane capacities are generally greater over the

A

Front

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15
Q

According to federal requirements, under what conditions is it OK for a person to ride the headache ball

A

It is never OK

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16
Q

On duty cycle operations such as skipping concrete, most manufacturers require a crane’s load shark capacity to be reduced by

A

20%

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17
Q

Boom length is measured from the

A

Boom hinge pins to the center of the boom tips Sheave

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18
Q

Using the preferred method of Installing wire rope from a real onto a hoist drum, the rope runs from the

A

Top of the real to the top of the drum

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19
Q

Truck crane capacities are usually greater over the

A

Rear

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20
Q

A truck crane is set up on outriggers. The part of the world shark governed by stability is based on what percentage

A

85%

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21
Q

When making a deduction for Stowe gym or extension, what type of deduction would you use

A

Deduction weight

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22
Q

What is the minimum clearance distance one working around powerlines of 600 KV

A

35 feet

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23
Q

Prior to moving a crane on to the job site the operator shit first determine the condition of the

A

Access road

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24
Q

OSHA permits hoisting of personnel when

A

There is no less hazardous or practical way

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25
Q

How often is it required to perform an inspection on swings were ringing there to be used

A

Before each use

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26
Q

When lifting personnel, the total weight of the loaded personnel platform was not exceed what percentage of the rated capacity of the crane

A

50%

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27
Q

Side loading of a crane’s boom is permitted

A

Only with freely suspended loads

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28
Q

If the operator makes two audible signals when moving a crane he is intending to

A

Go ahead

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29
Q

If a crane’s load mom indicator malfunctions the operator should

A

Cease crane operations and report the condition to the supervisor

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30
Q

Blocking or cribbing may be placed under outrigger beams

A

Never

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31
Q

According to OSHA 1926.1422, hand signal charts must be posted

A

On the lift equipment or vicinity of hoisting operations

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32
Q

What effect does the proper use of mats, blocking, or cribbing have on the suitability of the supporting surface

A

Distribute the weight and lessons load on supporting surface

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33
Q

According to OSHA 1926 subpart CC, when is a qualified rigger required

A

When employees are in the fall zone

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34
Q

Walking placed under the Outrigger pads should be capable of handling

A

100% of the crane weight and 100% of the load

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35
Q

Materials placed under the overhead energized powerlines should

A

Be handled only if minimum clearance is can be maintained

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36
Q

When working at ground level nearest seller wall, the cranes Outrigger pads or tracks should be placed

A

At least as far back as the depth of the wall below ground

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37
Q

When setting up a crane on out Riggers, the wheels of the crane should

A

We just high enough off the ground to relieve the tires of crane wait

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38
Q

What information Hass to be labeled on the hook, lifting device, or assemblies

A

Rated capacity and weight

39
Q

Rotation resistant rope can be used with a swivel:

A

If the rope manufacturer approves

40
Q

I’m picking carry operations, you should:

A

Keep the boom as short as possible and the load as close to the ground as possible

41
Q

In reference to safety devices the letters LMI stand for what

A

Load moment indicator

42
Q

When preparing to hoist a light load, the hook should be position:

A

Directly above the load center of gravity

43
Q

When working around powerlines that are 700 KV, what is the minimum clearance according to table a required for any part of the crane and it’s a load

A

35 feet

44
Q

You plan to pick a load and you were told it weighs 36,500 pounds. Line pole on the crane you were operating is 9000 pounds. How many parts of line will you need

A

Five parts

45
Q

If a gym as directed, but not being used to lift the load, you should make a deduction from the gross capacities listed in the load chart based on:

A

The effective weight of the jib

46
Q

When the boom length of the crane falls between the links listed in the load chart, you should use the capacity listed for:

A

The next longest or the next shortest boom like which ever is the lowest capacity

47
Q

When traveling a crane under energized power lines of 40 KV, no part of the crane may come within what distance of the line

A

6 feet

48
Q

In order to control the drift of the load what was the operator do

A

Keep the boom tip over the load

49
Q

As you boom down, the leverage of the load on the crane will:

A

Increase

50
Q

If leading a crane unattended for an extended period of time how should it be left

A

The boom retracted and stowed or set at 0°

51
Q

What is the best type of taglines to be used near powerlines

A

Poly propylene rope

52
Q

What is the maximum wind speed allowed one hoisting personnel

A

20 mph

53
Q

Timber mats work best when they are

A

Bolted together

54
Q

As jib offset is increased

A

The really capacity goes down

55
Q

Boom angle is measured from

A

Horizontal to boom

56
Q

Barricades are erected to

A

Keep unauthorized personnel out

57
Q

What percentage grader is a sling from vertical to basket

A

100%

58
Q

The adverse effects of wind on a boom is more on

A

The side of the boom

59
Q

When a crane or his load comes in contact with the powerline, and the operator hast to leave the crane he should

A

Leave the crane without contact of the crane or the ground at the same time

60
Q

On a carry deck crane, which of these may be removed as per the manufacture

A

The extension

61
Q

The load shall not be attached by which of the following methods

A

Double wrapping the hoist a line around the load

62
Q

The term stowed boom extension means

A

The extension is pinned to the base section of the boom

63
Q

The term stored boom extension means

A

The extension is laying in the yard

64
Q

The term tipping axis means the same as the

A

Fulcrum point

65
Q

The tipping access of a crane is defined as

A

The point or line about which a crane tips

66
Q

The percentage of stability for commercial mounted boom trucks on stabilizers is

A

85%

67
Q

As the boom is lowered

A

The rated capacity goes down

68
Q

As Jim offset is increased

A

The radius will increase

69
Q

The effective way of any erected extension or jib is _______than actual weight

A

Higher

70
Q

The effective weights of a stowed extension or jib is_______then actual weight

A

Lower

71
Q

As per OSHA, when using hook blocks are overhaul balls with Personal platforms they must

A

Have a lockable type safety latch

72
Q

Backwards stability on a boom truck could be a problem on the crane is working

A

Over the side with a minimum radius

73
Q

The effective weight of a stored extension or jib______than actual weight

A

Will not affect the net capacity of the crane

74
Q

If the boom is designed to be telescoped out equally, and is not, what is most likely to fail

A

Longest boom section

75
Q

How often according to B30.5 standards are you required renew your physical exam

A

Three years

76
Q

When using a single leg sling to pick a load, and you change how it is rigged from the vertical hitch to a choker hitch, what is the percentage of sling reduction

A

25%

77
Q

When using standard voice signals, what is the first command be given

A

Function and direction

78
Q

With a loaded boom, what will most likely be the result of the load contacts the boom but a boom contacts the edge of the building

A

Boom collapse or damage

79
Q

What is considered working over the front of a truck mount a crane, when working from the center line of the crane

A

Manufacturer specifications

80
Q

Delay length of a wire rope is defined as the

A

Distance it takes for one strand to make a complete

81
Q

It is important to inspect rotation resistant wire rope more frequently

A

Internal damage will occur more frequently

82
Q

According to the OSHA 1926.1413, what is the maximum diameter reduction of wire rope for it to be removed from service

A

5%

83
Q

Load indicating mechanisms, overload warning systems, and other automatic safety devices have improved Cran safety, but are not intended to replace:

A

The skill and judgment of a safe operator

84
Q

When is it acceptable to not use a safety latch on the load hook

A

When you can show to use is impractical

85
Q

While interpreting the load chart on your crane, you find the cranes gross capacity is higher than the capacity of the hoist in this situation you should

A

Use hoist capacity minus all deductions

86
Q

While using a tool leg bridal if working with a 30° horizontal sling and go as opposed to a 60° horizontal sling angle:

A

The tension is increased

87
Q

If determining boom tip elevation is necessary the best way to determine elevation is to:

A

Use the range diagram

88
Q

If the anti two block device On the crane you are running quits working, what would be your best option for continued use of the crane

A

Mark the hoist cable for Operator to see he won’t 2 block

89
Q

If the horn on the crane you’re running quits working what should you do

A

Stop crying until horns repaired or replaced

90
Q

When using preformed IWRC wire rope and connecting wedge socket directly to the hook and ball assembly, what could the effect be

A

Rotation of the load

91
Q

Sideloading a crane, the most common effect would be

A

Swing gear failure

92
Q

If the powerlines are D energized who can verify this

A

Line owner

93
Q

If the length indicator on the crane you were running quits working, what would be your best option for continued use of the crane

A

Paint or mark the boom with the length

94
Q

What does D/d Ratio referred to in ready

A

Diameter of the load divided by the diameter of the sling

Crane School (3 decks)

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