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CRANE > written exam for swing cab and fixed cab > Flashcards

written exam for swing cab and fixed cab Flashcards

1
Q

jib is the same as saying ______?

A

fly

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2
Q

how many parts of line can you have on the whip?

A

1

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3
Q

everything above the rotating turret is called the ?

A

superstructure

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4
Q

counterweights create more ?

A

leverage

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5
Q

the ____ or _____ is used to increase boom height?

A

jib/fly

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6
Q

outriggers are used to _______?

A

relieve weight from the tires

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7
Q

assume all power lines are _________?

A

energized

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8
Q

majority of ground crew die from ?

A

energized power lines

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9
Q

warnings for power lines must be posted where?

A

visible from crane cab and posted outside crane

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10
Q

de-energized circuits must be verified by the ?

A

line owner

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11
Q

what is required when the crane is within a boom’s length of the power line?

A

signal person

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12
Q

minimum sheave size has to be how many times the nominal diameter of the rope?

A

16

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13
Q

what is measured from the heel pin to the center of the boom tip sheave

A

boom length

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14
Q

how do you calibrate the boom angle indicator?

A

move boom to horizontal position, set to zero

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15
Q

what is calculated from the center of rotation (fulcrum) to the center of the vertical load line

A

load radius

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16
Q

crane stability is based on ?

A

leverage

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17
Q

to determine load weight with a _________ load weight and factor in all the rigging

A

certified

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18
Q

capacities in a load chart are assuming _______ ______?

A

ideal conditions

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19
Q

values in a load chart are ______ capacities?

A

gross

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20
Q

gross minus deductions equals?

A

net load capacity

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21
Q

load chart capacity is based on what kind of loads?

A

static

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22
Q

what identifies the operational quadrants?

A

a work area diagram

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23
Q

what reference is used to determine the boom tip height

A

range diagram

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24
Q

rigging, hook, and blocks are all part of the ____ load?

A

gross

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25
Q

the hoist line stowed on top of the boom is/is not a deduction?

A

not

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26
Q

the __________ weight of the stowed jib is lower than the actual weight?

A

effective

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27
Q

where is the stowed boom extension pinned?

A

at the base section

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28
Q

when calculating net capacity and the rated load capacity in the chart is greater than the line pull capabilities, you must?

A

scratch out the rated load and plug in the permissible line pull for that block configuration

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29
Q

non standard attachments are a ________ from the load rating?

A

deduction

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30
Q

when capacities fall between listed values on a load chart, always go with _______ angle and _______radius.

A

lower/longer

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31
Q

a signal person must be posted when you cannot ________ ____ _________ with your outrigger extensions physically going out?

A

make visible contact

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32
Q

moving the tipping axis closer to the cranes center of gravity ______ stability?

A

reduces

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33
Q

when can you have outriggers partially out?

A

when the load chart specifies this is acceptable

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34
Q

who ensures supporting surface is prepped, shift inspection complete, and it contains ground conditions?

A

controlling entity

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35
Q

the float pads must be ______________________ when not is use?

A

locked and at 90 deg

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36
Q

when your crane is on outriggers 100% then you have to be _______- 100%

A

off your tires

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37
Q

blocking has to be _________ than your float pads?

A

larger

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38
Q

what is used to decrease ground pressure?

A

blocking under the float pads

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39
Q

what increases ground pressure and reduces stability?

A

span blocking

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40
Q

what are typical ground conditions?

A

loose fill, voids, tanks, depressions

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41
Q

where in relation to work area is the most ground pressure applied?

A

over the corner

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42
Q

what is an important site access consideration?

A

approach road

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43
Q

where are hazards and restrictions found?

A

on the pre-operational worksite inspection

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44
Q

what is a big concern with working near a new build?

A

back-fill compaction

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45
Q

capacities are based on either ______ or ________ limitations

A

structural/stability

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46
Q

wire rope drum inspections are done prior to each______?

A

shift

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47
Q

what takes a regular right hand layed rope out of service?

A

6 broken wires in any strand in one lay length/ 3 wires in one stand in a lay length (6 got layed, 3 got stranded)

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48
Q

lubrication of wire rope cannot _______ ________?

A

hinder visible inspection?

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49
Q

as layers on a wire rope drum increase, line pull will?

A

decrease

50
Q

amount of weight drum will hoist for a given layer is called?

A

line pull

51
Q

how many minimum wraps are allowed to remain on the wire rope drum?

A

2

52
Q

how far above the top layer of rope must the drum flange extend?

A

1/2”

53
Q

breaking strength divided by _________ equals safe working load?

A

safety factor

54
Q

what is the safety factor of RRL? for rotational resistant?

A

RRL= 3.5

rotational resitant= 5

55
Q

if socket is attached directly to a load without a swivel the line will?

A

spin

56
Q

when do you remove rot resistant wire from service?

A

2 broken wires in 6 diameter length of the rope/ 4 is 6 diameter length
(2, 6 packs at 4:30)

57
Q

only ___ broken wire/wires allowed near an end socket on standing wire rope?

A

1

58
Q

the drum location indicator gives ______ and ________?

A

speed / direction

59
Q

when is a drum location indicator required?

A

when the drum is not visible to the operator?

60
Q

the audible outrigger / stabilizer alarm sounds when what condition is met?

A

when the outriggers are moving

61
Q

if the radius indicator fails you must ________ the radius?

A

measure

62
Q

when extending the boom, pay out line to avoid a _____ ________?

A

two block

63
Q

two blocks happen when what three functions are used?

A

hoist up, extend out, lower boom (HEL)

64
Q

when the anti two block device fails, you should?

A

mark the cable, use a spotter

65
Q

level crane from turret. true or false?

A

true

66
Q

level the crane within 1 % then swing the crane over ____ deg and check again?

A

90

67
Q

when the boom length indicator fails you should?

A

mark the boom with distance marks

68
Q

what is included in a monthly inspection?

A

documented shift inspection

69
Q

inspections are made by a _______ person?

A

competent

70
Q

when inspecting the boom check the _____ _____?

A

wear pads

71
Q

jib capacities are based on ______ strength?

A

structural

72
Q

using an offset jib will ______ load capacity

A

reduce

73
Q

what does the PTO provide power to?

A

hydraulic pump

74
Q

when faced with windy conditions always default to?

A

manufactures recommendations

75
Q

heavy loads cause _______ _______- which increases the ____ ________?

A

boom deflection/load radius

76
Q

barricaded the _______ __________ to prevent injury?

A

rotating superstructure

77
Q

when picking from the water, load will ?

A

increase

78
Q

when fitted with a luffing jib, it must also have a ____ _______?

A

limiting device

79
Q

who overseas assembly and disassembly of the crane?

A

A/D director

80
Q

operators must test brake when what conditions are met?

A

load is 90% of max line pull

81
Q

dynamic motion will increase ________?

A

load radius

82
Q

if power fails then you must?

A

set brakes and lock devices

83
Q

audible signals used on the horn are 1 -2 -3 for which signals?

A

1 stop/2 fwd/ 3 reverse

84
Q

when using voice signals give the ____ then the ______?

A

function/direction

85
Q

when can you bypass your LMI?

A

during assembly/disassembly

86
Q

what percent is considered a critical lift?

A

75%

87
Q

man baskets must be ratted at ____ the rated load

A

5 times

88
Q

D/d ratio is the ?

A

diameter of load divided by the diameter of the sling

89
Q

what is not permitted when personnel are in a fall zone?

A

a sorting hook

90
Q

inspect rigging prior to each ____?

A

use and shift

91
Q

list the sling configurations from strongest to weakest

A

basket, vertical, choker

92
Q

when assembling and disassembling, use a ________ sling

A

synthetic

93
Q

a lift of a man basket requires the following four things?

A

load chart, boom angle indicator, boom height indicator, anti 2 block device

94
Q

when lifting a man basket with personnel, you cannot exceed ____ rated capacity

A

50%

95
Q

proof test _____ rated load for personnel lifts?

A

125%

96
Q

who is not allowed in the fall zone during personnel lifts?

A

qualified evaluator

97
Q

for duty cycle wok, reduce capacity IAW the _________?

A

manufacture

98
Q

what is the capacity reduction for pick and carry operations?

A

limited to 75%

99
Q

what king of wire rope is more prone to internal damage?

A

Rot resistant

100
Q

who can give the crane operator the signal to stop?

A

anyone

101
Q

under what conditions can operator leave the controls with a load suspended or hoisting a personnel platform?

A

none

102
Q

what can change radius independent of the main boom?

A
103
Q

rope that moves over sheaves and drums is?

A

running

104
Q

what is the clearance distance for a crane operating near a 47 KV power line?

A

10 feet

105
Q

what is the clearance distance for a crane operating near a 69 KV power line?

A

15 feet

106
Q

what is the clearance distance for a crane operating near a 230 KV power line?

A

20 feet

107
Q

what is the

A
108
Q

what is the clearance distance for a crane in transit near a 12 KV power line?

A

6 feet

109
Q

what is the clearance distance for a crane traveling near a 120 KV power line?

A

10 feet

110
Q

if any part of equipment will get closer than ____ while traveling near a power line, then use a ______ ________

A

20 feet/ designated spotter

111
Q

for a load chart to be valid, crane must be leveled within _____%

A

1

112
Q

what matches a load chart to a crane?

A

serial number

113
Q

a rough terrain craneset up on outriggers that is based on 85% tipping should have the tires?

A

off the ground

114
Q

the values listed in a load chart show the ?

A

rated capacities

115
Q

load radius is defined as horizontal distance from center of rotation to center line of vertical hoist with the rated load?

A

suspended

116
Q

you pick a load and as you lift off the ground the load swings away from the crane, increasing the radius. what caused this?

A

unaccounted for boom deflection

117
Q

crawler cranes produce the least amount of ground pressure over the ?

A

side

118
Q

the work are chart specifies that the “over the front” area is determined by?

A

the manufacture

119
Q

you have a load of 26,000 pounds and a line pull of 8,000 pounds. how many parts of line are needed to make the lift?

A

4

120
Q

a load applied at an angle to the vertical plane of the boom describes?

A

side loading

121
Q

rapid hoist acceleration does what?

A

produces hook loads higher than the actual load weight

CRANE (2 decks)

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