Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

HECA Tower Crane > Review ALL > Flashcards

Review ALL Flashcards

1
Q

What function could increase load radius?

A

Swing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which type of tower crane would have a tower top?

A

Hammerhead

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which type of crane would have boom hoist reeving?

A

Luffing tower crane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Weight added to a crane base to create additional stability which does not rotate

A

Ballast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

An energy-absorbing device for reducing impact when a moving crane trolley reaches the end of its permitted travel.

A

Buffer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

A structural attachment placed between a crane tower and an adjacent structure to pass loads to the adjacent structure.

A

Bracing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

A structural attachment placed between a crane tower and an adjacent structure to pass loads to the adjacent structure.

A

Bracing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Ground bearing pressure is _____.

A

The pressure created by both the weight of the crane and load onto its outriggers.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or false. ASME stands for “American society of mechanical engineers” and ASME B30.5 is their standard for tower cranes.

A

False (B30.3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How will trolleying out affect your capacity?

A

It will decrease.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Unless otherwise specified, all tower crane operations must stop at a wind speed of____.

A

45mph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

True or false. Tower cranes must be weathervaned when out of service.

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

A tower crane that has no braces, guys, or support beams is a ____ tower crane.

A

freestanding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What would increase the stability of the crane?

A

Removing weight from a suspended load.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What does OSHA mean when they say “shall”?

A

You must.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

A jib point is ___.

A

the outermost end of the load bearing jib.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

A guyed rope is a _____.

A

wire rope which is intended to maintain a fixed distance between two points.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Slewing is another term for ___.

A

Swinging

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

True or false. Tower cranes are not permitted to pass over one another.

A

False.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

If the operator must leave a remote control unattended they must ____.

A

de-energize the crane and secure the remote.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

The anti-two block device or upper limit switch is a(n) _____.

A

Operational aid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

True or false. When a safety device malfunctions, all operations must stop until an alternative measure is implemented.

A

False. (No alternative measure)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

A ____ is an example of a safety device.

A

Integrally mounted check valve.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the purpose of a hoist line pull limiting device?

A

To prevent you from exceeding max line pull.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

After what date will cranes be subject to several additional operational aid requirements?

A

November 8th, 2011

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

If the trolley of a tower crane contacts the trolley stops, then that primarily indicates _____.

A

A malfunctioning trolley travel limiting device.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What are examples of a safety device?

A
  • boom stops
  • jib stops
  • travel rail clamps
  • hydraulic system pressure limiting device
  • trolley end stops
  • deadman control
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What are not considered safety devices?

A
  • Hoist drum limiting device
  • trolley travel deceleration device
  • boom hoist deceleration device
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

The A2B or hoist upper limiting device prevents contact between the load block and the _____.

A

Trolley

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

The A2B or hoist upper limiting device prevents contact between the load block and the _____.

A

Trolley

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

True or false. You are permitted to operate a tower crane with a malfunctioning category 1 operational aid after you have implemented the proper alternative measures.

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Why would you continue to use a crane with a malfunctioning category 1 operational aid after 7 days have passed?

A

Because you implemented all necessary alternative measures and have ordered the part within the original 7 days.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

A pawl is best described as a device _____.

A

Used to positively hold a mechanism against movement in one or more directions.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

When the crane suffers a loss of power, all brakes must automatically _____.

A

Engage.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What should you do when a function limiting device malfunctions?

A

Stop work.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Who has control of the crab by virtue of lease or ownership?

A

Crane owner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Who controls the crane’s functions?

A

Operator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Who arranges the crane’s presence on a work site?

A

Crane user

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Who is responsible for providing a crane and all necessary plotting documents?

A

Crane owner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Who is responsible for ensuring that cranes are not climbed when winds are in excess of 20 mph?

A

Lift director

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Who is responsible for ensuring that the site is properly prepared for the crane?

A

Site supervisor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Who is responsible for ensuring that the crane operator is present during climbing operations?

A

Crane user

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Who is responsible for verifying that unauthorized access is restricted to any hazardous area?

A

Site supervisor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Who is responsible for understanding and applying the information contained in the operating manual?

A

Crane operator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Who is responsible for ensuring that the operator is physically and mentally really fit to operate?

A

Crane operator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

True or false. Each role listed under ASME B30.3 for responsibilities must be filled by a different individual.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Before leaving the crane unattended without a load, which of the following must the operator implement?

A

Apply every lock and brake the crane is equipped with

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

If power fails during operations, which of the following must the operator implement?

A

Apply every lock and brake the crane is equipped with

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

True or false. The crane operator must not engage in any practice that will divert his/her attention while actually operating the crane controls.

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Who is capable of identifying existing and predictable hazards in the surroundings and who is authorized to eliminate them?

A

Competent person

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Person who by possession of a recognized certificate or professional standing demonstrated the ability to solve/resolve problems.

A

Qualified person

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Person who possesses specialized abilities in a specific area and is assigned by the employer to perform a specific task in that area.

A

Designated person

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Who is responsible for supplying field erection information?

A

Site supervisor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Who is responsible for refusing to operate the crane near power lines?

A

Crane operator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Who is responsible for establishing the inspection and maintenance program for the crane?

A

Crane owner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Generally, if your actual radius is between values on the load chart, which radius should you use?

A

Next longer radius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

What is the approximate weight of one cubic foot of steel?

A

490 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

What is the approximate weight of one cubic yard of concrete in pounds?

A

4,050

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

Approximately how much does one cubic foot of shelled corn weigh in pounds?

A

45

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

According to a unit conversion table, what would you multiply feet by to obtain meters?

A

0.3048

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

What best defines a rated capacity?

A

The total weight a tower crane can lift

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

Net capacity is best defined as _____.

A

Gross capacity minus deductions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

True or false. The effects of wind are already considered on load chart ratings.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

How frequently should the wire rope be lubricated on a hammerhead tower crane?

A

Bi-weekly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

Tag lines used to control a load near a power line must be ___.

A

Non-conductive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

Eccentric boom tip reeving may cause ____.

A

Swinging of the load

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

Voice signals must contain how many elements?

A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

When hoisting personnel, screw type shackles used in place of the hook must be ____.

A

Alloy anchor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

True or false. When hoisting personnel, you must perform the trial lift and the prof testing of the platform as separate tasks.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

Platforms used for hoisting personnel must have ____.

A

Grab rails

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

The proof testing of a personnel platform requires you to load it to 125% of its capacity, lower it by controlled load lowering, brake and hold it for a minimum of _____.

A

5 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

Which list of hitches is correctly ordered from weakest to strongest?

A

Choker, vertical, basket

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

What is the design factor for chain slings used in rigging?

A

4-1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

Higher sling angle equates to ____ sling tension.

A

lesser

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

When connecting wire rope together with wire rope clips, the saddle should be on the ____.

A

Live end

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
76
Q

How many broken wires are you permitted near an end connection of a pendant line?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
77
Q

Generally, as radius increases, a crane’s load rating will ____.

A

Decrease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

The flange of a hoist drum must extend at least how far above the top layer of wire rope?

A

1/2”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
79
Q

Pendant lines/guy wires are best defined as _____.

A

Wire rope intended to maintain a fixed distance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
80
Q

What is an assist crane?

A

Crane used to assist in putting together another crane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
81
Q

What is the superstructure or upper works?

A

Rotating portion of a crane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
82
Q

True or false. When adding weight to a suspended load you must reduce the capacity by 50%.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
83
Q

When lifting a load from beneath the water the weight will ____.

A

Increase

84
Q

The operator must lift the load and test the brakes when a load is more than ____ of max line pull.

A

90%

85
Q

According to OSHA, a tag line must be used if ____.

A

Necessary to prevent rotation of load that would be hazardous

86
Q

The load ratings of the crane must not be exceeded except _____.

A

For in testing

87
Q

Load rating are for _____.

A

Freely suspended loads

88
Q

What must an operator do when a load is suspended?

A

Remain at the controls or apply proper procedures

89
Q

When a load is in excess of 75% of the crane’s capacity, what must the operator do?

A

Test the brakes before proceeding

90
Q

What must be done prior to welding on a suspended load

A

Install an insulated link between the hook and the load

91
Q

Barricades must be erected to prevent crushing or contact with the counterweight on which location?

A

360 degrees

92
Q

From what two items is boom length measured?

A

Boom foot pin, boom tip sheave pin

93
Q

What happens when an e-stop is engaged?

A

All locks and brakes are set and the crane is de-energized

94
Q

The term radius on a crane’s load chart is defined as the distance from the ______.

A

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

95
Q

Subpar CC is related to which organization?

A

OSHA

96
Q

True or false. ASME standards must be followed in relation to cranes used in construction.

A

False

97
Q

Who can approve the use of non-standard hand signals?

A

Crane operator, lift director, and signal person

98
Q

What is the definition of dynamic loading according to ASME?

A

Loads introduced to the crane by forces in motion

99
Q

According to subpart cc, how many wraps must remain on the house drum at the hook’s lowest point?

A

2

100
Q

True or false. You are never permitted to exceed your rated capacity on your load chart.

A

True

101
Q

When must a signal person be used?

A

When the area of operation is not in full view of the operator

102
Q

True or false. The crane operator must only follow hand signals from one person.

A

True

103
Q

Where must a hand signal chart be posted?

A

Near hoisting operations

104
Q

When hoisting personnel, the platform lifting system must be able to maintain ____ degrees of level regardless of boom angle.

A

10

105
Q

When can synthetic slings be used to hoist personnel?

A

Never

106
Q

What is the approximate weight of a metric ton in pounds?

A

2200

107
Q

True or false. Lifting a load beyond the reach of the crane is permitted so long as it is not within 50% of the load chart.

A

False

108
Q

According to OSHA, the minimum pitch diameter for drums and sheaves for rotation resistant wire rope is ____.

A

18 to 1

109
Q

Monthly wire rope inspections must be retained for how long?

A

3 months

110
Q

Annual wire rope inspections must be conducted by which individual?

A

Qualified person

111
Q

Equipment not in regular use or “standby cranes” must be inspected by who?

A

Qualified person

112
Q

Equipment not in regular use must be inspected how often?

A

Monthly

113
Q

True or false. Wire rope slings for use in overhead lifting can be “hand tucked”.

A

False

114
Q

The direction of the lay of outer strands of rotation resistant wire rope is ____ of the underlying layers.

A

Opposite

115
Q

How many random broken wires in one rope lay of right regular lay running wire rope are cause for removal?

A

6

116
Q

The design/safety factor of regular lay live or running wire rope is ____.

A

3.5

117
Q

Wire rope is removed from service if there is a diameter reduction of ____ or more.

A

5%

118
Q

How many broken wires are cause for removal in 30 rope diameters in rotation resistant wire rope?

A

4

119
Q

What type of lay is indicated when the strands are wrapped around the core in a clockwise direction?

A

Right lay

120
Q

If the individual wires of each strand show a parallel direction to the lay of the wire rope, is is classified as _____.

A

Regular lay

121
Q

The number of times that the wire rope passes through the block, leaving a span of wire rope from one sheave to the next is known as ____.

A

Parts/fall of line

122
Q

In pendant lines, how many broken wires located in one rope lay beyond the end connection are cause for removal from service?

A

3

123
Q

True or false. If you don’t see off-color threads when inspecting synthetic slings, the sling can be used regardless of fraying or cuts.

A

False

124
Q

What is the design factor for regular wire rope?

A

3.5:1

125
Q

What is the design factor for type 1 rotation resistant wire rope?

A

5:1

126
Q

What is the design factor for wire rope pendants?

A

3:1

127
Q

A sudden stop when lifting or lowering a load can cause ____ of the wire rope.

A

Bird caging

128
Q

How many broken wires are allowed when inspecting wire rope slings?

A

5 broken wires in one strand of one lay; 10 broken wires randomly distributed in a lay

129
Q

What type of slings cannot be used in hoisting personnel?

A

Synthetic

130
Q

What is one lay of of a wire rope?

A

The distance it takes a strand to make a complete revolution around the core

131
Q

What OSHA standard covers wire rope?

A

1926.1413

132
Q

What ASME standard covers wire rope slings?

A

B30.9

133
Q

What constitutes a running wire rope?

A

Rope that runs over drums or sheaves

134
Q

True or false. Wire rope slings have the same inspection criteria as running wire rope.

A

False

135
Q

The best way to inspect synthetic endless round slings is to ____.

A

Look at the protective cover and knead through the entire length of the sling

136
Q

During the erection and dismantling of a tower crane, written instructions must be ___.

A

On site

137
Q

What is the minimum distance from objects when a tower crane is in weathervane?

A

6’6”

138
Q

What are the requirements of the person who supervises the erection and dismantling of a tower crane?

A

Competent and qualified

139
Q

All bolts used in structural members must be ____.

A

High tensile steel

140
Q

The chamfered side of the washer should be facing ____.

A

Towards the nut and bolt head

141
Q

Who can determine how many sections go over the last tie in point?

A

Qualified person

142
Q

When applying proper torque to the bolts, the counterweight should be ____.

A

0 degrees to the bolt

143
Q

According to ASME, lubricant should not be used on the _____.

A

Bolt shank

144
Q

What device is intended to help with wire rope twist?

A

Twist compensator

145
Q

True or false. Ground compaction is an important step of the erection process.

A

False (assembly process)

146
Q

A complete list of weights and assembly instructions for all components of the tower crane must be ____.

A

On site

147
Q

Who can allow personnel to enter the fall zone of a tower crane while erecting?

A

Qualified person

148
Q

The tower crane must be plumb to within _____.

A

1:500 or 1” in 40’

149
Q

True or false. If the operator is qualified to operate a tower crane, he will also be qualified to erect or dismantle it.

A

False

150
Q

True or false. A load test must be performed prior to each erection.

A

False

151
Q

Tower crane foundations and structural supports must be designed by ____.

A

The manufacturer OR a registered professional engineer/qualified person

152
Q

According to OSHA, the minimum height employees are required to take appropriate fall protection measures in feet is ____.

A

6 feet

153
Q

What is the best description of a load block?

A

The assembly of hook and shackle, swivel bearing, sheaves, pins, and frame.

154
Q

What is a bogie?

A

An assembly of two or more axles on a rail mounted tower crane

155
Q

The operator must lift the load two inches and test the brakes when the load is ____ of line pull.

A

90%

156
Q

If the operator must leave a remote control unattended they must _____.

A

De-energize the crane and secure the remote

157
Q

When should the hoisting gear be shifted?

A

Only when fully stopped

158
Q

____ inspections are a form of frequent inspection.

A

Daily

159
Q

Each shift, a visual inspection may be performed by a ____ person.

A

Competent

160
Q

Monthly inspections must check ___.

A

All tower and structural bolts from the upper most tie off up

161
Q

According to OSHA 1926 and ASME B30.3, how many broken wires are you allowed on running wire rope?

A

6 randomly distributed in one lay, or 3 in one strand of one lay

162
Q

How many broken wires are allowed on rotation resistant wire rope?

A

2 in 6 rope diameters, or 4 in 30 rope diameters

163
Q

When you have unused wraps of wire rope, you should unwind all the rope off the drum except the three or two wraps and spool it back onto the drum at ____ max line pull.

A

10%

164
Q

Before each component is erected it must be inspected by a qualified person for ____.

A

Damage or excessive wear

165
Q

High tensile bolts shall be marked with ____.

A

Strength rating and manufacturer’s designation

166
Q

When washers are used for high-tensile bolt connections, they shall always be marked with which designation?

A

HV

167
Q

Prior to applying the proper torque to the nut on a tower crane’s high tensile bolt connection you should _____.

A

Lubricate the threads

168
Q

Which components of a tower crane are connected with high tensile bolt connections?

A

Foundation anchors, tower sections, slewing ring support

169
Q

How many pounds does a cubic foot of concrete weigh?

A

150

170
Q

A tower crane’s gear box oil levels should be checked at what interval?

A

Weekly

171
Q

According to a metric conversion table, bars multiplied by 14.503 773 77 equals ____.

A

Pounds per square inch

172
Q

When setting up a self-erecting tower crane, the outrigger jacks should be at what angle to the supporting surface?

A

90 degrees

173
Q

When performing a load test on a traveling tower crane, it shall be conducted with the hook in the position that causes the maximum loading on ____.

A

One wheel or bogie

174
Q

Central ballast blocks must be distributed _____ around the tower base.

A

Equally

175
Q

When setting up a self-erecting tower crane, the preferred method is to use mats constructed of timbers that are ____.

A

Thru-bolted

176
Q

When lifting loads using a two way bridle, it is important to always remember that the _____.

A

lower the horizontal angle, the greater the sling tension

177
Q

In the order of strongest to weakest, which hitches would be correct?

A

Basket, vertical, choker

178
Q

According to OSHA 1926.1435, how often must the turntable and tower bolts be inspected for proper torque and condition?

A

Annually

179
Q

According to OSHA, when lifting personnel in a platform, the crane’s hook must be the type that _____.

A

Can be closed and locked

180
Q

According to OSHA 1926.1431, employees occupying a personnel platform over water are not _____.

A

Required to wear a personal fall arrest system

181
Q

According to OSHA 1926.1435, before assembly, all tower crane components must be visually inspected for _____.

A

Damage or excessive wear

182
Q

According to OSHA 1926.1408, what is NOT required when using a dedicated spotter to prevent encroachment?

A

Proximity alarm

183
Q

According to OSHA 1926.1431, when a wire rope bridle is used as rigging between a personnel platform and the load line hook, each bridle leg shall be connected to a ____.

A

Master link

184
Q

According to OSHA Subpart CC, when is it safe to work closer than the allowable distance from power lines?

A

When the utility owner says lines are de-energized

185
Q

According to OSHA Subpart CC, when is it safe to work closer than the allowable distance from power lines?

A

When the utility owner says lines are de-energized

186
Q

According to OSHA 1926.1435, when the manufacturer does not specify plumbing tolerance, the crane tower must be plumb to a tolerance of _____.

A

1 inch in 40 feet

187
Q

When is a spotter required to be utilized when working in close proximity of power lines?

A

When the operator cannot see the elevated warning lines

188
Q

According to OSHA 1926.1431, eyes in wire rope bridle slings used for hoisting personnel platforms must be fabricated with _____.

A

Thimbles

189
Q

According to OSHA 1926.1435, the size and location of any advertisements panel installed on a tower crane should be approved by which entity?

A

Manufacturer

190
Q

According to OSHA 1926.1435, which item must be mounted above the rotating superstructure on a tower crane?

A

Wind speed device

191
Q

According to OSHA Subpart CC, a pre-erection inspection must be performed by which person?

A

Qualified person

192
Q

According to OSHA Subpart CC, which item is not a refer the monthly inspection on a tower crane used in construction?

A

Turntable

193
Q

According to OSHA 1926.1431, the total weight of the loaded personnel platform and related rigging shall not exceed ____.

A

50% of the crane’s capacity at any given radius or configuration

194
Q

According to OSHA 1926.1431, what device must be used to prevent damage or failure at all points where two-blocking could occur?

A

Anti two-block

195
Q

According to OSHA, in addition to training, what must be done to prevent people from being struck or crushed by the rotating superstructure of a self-erecting tower crane?

A

Erect and maintain warning lines

196
Q

According to OSHA 1926.1421, what is the first element of voice signals given to a tower crane operator prior to the lift?

A

Function and direction

197
Q

According to OSHA, how many elements are contained in each series of voice signals?

A

Three

198
Q

The OSHA construction standard for rigging equipment is found in what section?

A

1926.251

199
Q

According to OSHA 1926.251, when inspecting alloy steel chain slings used in hoisting, which item must be attached to the sling?

A

ID tag

200
Q

According to OSHA, wire rope slings shall not be used if, in any length of eight diameters, the total number of visible broken wires exceeds what percent of the total number of wires?

A

10

201
Q

According to OSHA 1926.251, custom designed rigging hardware shall be proof tested to what percent of their rated load?

A

125

202
Q

According to OSHA 1926.251, all rigging and hardware shall be inspected by what person?

A

Competent person

203
Q

In accordance with whose instructions should a load test be conducted?

A

Manufacturer

204
Q

On a tower crane, what diameter of the load hoist drum shall be sufficient to provide a first layer rope pitch diameter of not less than _____.

A

18 times the nominal diameter of the rope

205
Q

What class of portable fire extinguisher shall be kept in the cab or in the machinery platform of any tower crane?

A

ABC

206
Q

When a tower crane is installed in proximity to power lines, durable signs shall be installed where on the crane?

A

Operator’s station and base

HECA Tower Crane (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions