check

The Crane Class Quiz

This quiz covers fundamental crane and rigging knowledge, specific to the Australian environment.

It consists of 20 multiple choice questions and should take less than 5 minutes to complete.

Good luck.

Click the button below to get started!

Start

Question 1 of 20

A "Headache Ball" or "Whipline" is crane lingo referring to: 

A

The main hook /hoist on a crane

B

The auxiliary hook / hoist on a crane

C

A common piece of rigging gear

D

An incompetent Rigger

Question 2 of 20

If a Rigger is signalling "thumbs up" to the crane operator, what are they communicating to the operator?

A

Increase the boom angle

B

Hoist up

C

Good job, let's go home

D

Jack the outriggers higher

Question 3 of 20

What does the term "luff" refer to in crane operations?

A

A comical situation when the rigger attempts to tighten the hook

B

Adjusting the angle of the boom of the crane

C

The control panel for the crane

D

Turning the crane about its central axis

Question 4 of 20

If a crane has a chart capacity of 1,500 kg and is lifting 1,000 kg, what percentage utilisation is it operating at?

A

150%

B

75%

C

67%

D

50%

Question 5 of 20

Rotation of a crane superstructure about its central axis is known as?

A

Jibbing

B

Hoisting

C

Slewing

D

Turning

Question 6 of 20

What device prevents an operator from hoisting the hook into the tip of the boom?

A

Anemometer

B

Headache Ball

C

Anti Two-Block

D

Rooster Sheave

Question 7 of 20

What is typically listed at the top of each column of a crane load chart?

A

Capacity

B

Radius

C

Boom Length

D

Counterweight

Question 8 of 20

The model prefix for a Liebherr All-Terrain Mobile Crane is:

A

LTR

B

LTC

C

LTM

D

LMC

Question 9 of 20

A crane Product Guide, typically found on manufacturers websites, provides what type of load charts?

A

Long form load charts that do show telescopic boom configurations

B

Short form load charts that do not show telescopic boom configurations

C

No load charts, it is an overview of the crane's specifications.

Question 10 of 20

A Franna is a common brand of what type of crane?

A

All Terrain Mobile Crane

B

Articulated Pick and Carry Crane

C

Crawler Cranes

D

Vehicle Loading Cranes

Question 11 of 20

Which of the following tasks can be performed by the holder of an RB (Basic Rigging) High Risk Work License?

A

Install tilt-up panels

B

Erect structural steel

C

Operate a 100t crane

D

Lead a dual crane lift

Question 12 of 20

Australian Standards limit lift plan development to:

A

A registered professional engineer

B

The holder of an open crane operator HRWL (C0)

C

Any competent person

Question 13 of 20

Neglecting the effects of friction, if a crane winch has a line pull of 10 tonne, what would be the hoist capacity if the hook was reeved in 5 parts (falls of rope)?

A

2 tonne

B

50 tonne

C

500 tonne

D

10 tonne

Question 14 of 20

True or False: An operator holding a Mobile Slewing Crane Up To 60 tonne (C6) High Risk Work License, can operate an articulated pick and carry crane (i.e. Franna) under the same license?

A

True

B

False

Question 15 of 20

In the RGBY system of testing rigging gear, what does each colour represent?

A

Different types of rigging gear

B

Different load capacities

C

Different inspection cycles for the quarters of the year

D

Different levels of wear and tear

Question 16 of 20

Which of the following is a safety device designed to prevent a crane from tipping over?

A

Load Moment Indicator (LMI)

B

Anti Two-Block

C

Anemometer

D

Sheave

Question 17 of 20

What is the main function of counterweight on a crane?

A

To increase the lifting speed

B

To provide a returning moment, aid stability and prevent tipping of the crane.

C

To extend the boom length

D

To offset the weight of the operators wallet

Question 18 of 20

When a mobile crane has adjustable ballast radius (tailswing) options, you should always:

A

Use the shortest radius because this will provide you with the best capacity

B

Use the larger radius, unless you have tailswing constraints, because this will provide you with the best capacity.

C

It doesn't matter, both provide the same capacity.

Question 19 of 20

Finish the sentence. Outriggers...

A

Should always be used at the maximum available extension, unless site constraints restrict doing so and reduced capacity is assessed.

B

Are optional and only there to prevent the crane rocking on its suspension.

C

Can be used at whatever extension the site constraints allow for, without affecting the cranes capacity.

Question 20 of 20

A crane with a maximum outrigger load of 100 tonne, spread over 2m x 2m steel mats, will exert what resultant pressure on the ground?

A

25 kPa

B

215 kPa

C

245 kPa

D

280 kPa

Confirm and Submit