Slinger/signaller Theory Test

Front 1

What is meant by the centre of gravity, or how is the centre of gravity determined on a load to be lifted?

Back 1

The centre of gravity is determined by the point that is in balance.

Front 2

What should the slinger confirm with the lifting equipment operator regarding the audible alarm when setting out to carry a lift?

Back 2

Check that there is one fitted and is turned on.

Front 3

What are the ideal conditions for lifting accessories to be stored?

Back 3

Hung off the ground and kept dry.

Front 4

Name the FOUR stages of the hierarchy of control with regards to Vehicle/Plant maneuvering operations?

Back 4

1, Eliminate/Minimise Movement/Reversing

2, Isolate the working area

3, The control of the manouvering area by using Marshals

4, The direct marshalling of machines which have to travel through other working areas.

Front 5

When working with slewing type lifting equipment in a restricted area:

a)What are the dangers with regards to a machines counterweight?

b)When should measures be taken?

c)What measures should be implemented?

Back 5

a) Gap between counterweight and structure being reduced or contacting the structure.

b) Measures should be taken when gap is less than 600mm

c) Ensure sufficient clearance is maintained or access routes need to be blocked off.

Front 6

a) On hoist rope-equipped lifting equipment , how does the number of lines/falls of rope affect the lifting capacity?

b)how is the hoist speed affected by number of lines/falls of rope being reduced?

Back 6

a) More lines increases the lifting capacity but slows down the hoist speed.

b) Hoist speed is faster with reduced lines.

Front 7

If assisting to fit a fly jib to a crane, why is it important to follow manufacturers guidelines precisely?

Back 7

To avoid accident, incidents or damage.

Deflection can affect the lifting of a load as it can increase in radius. ( a fly jib is an extension to the jib)

Front 8

On a busy construction site, how would the slinger/signaller be identified to the crane operator?

Back 8

Wear different PPE to be identified.

Front 9

During a lift, it is suspected that a lifting accessory exceeded the rated capacity, what would be the course of action?

Back 9

Signal to land the load, take accessory out of service until it can be thoroughly inspected.

Front 10

Only two legs of a six tonne four-òegged chain sling are being used, what is the maximum load that can be lifted?

Back 10

3 Tonnes

Front 11

What is the purpose of a risk assesment?

Back 11

Identify hazards and place control measures on them.

Front 12

If radios are to be used in lifting operations, what FIVE actions and checks must be carried out by slinger/signaller before use?

Back 12

1, Check batteries are charged. (carry spares)

2, Check radios are in working order, check signal strength.

3, Set to the same channel.

4, Check radios are UHF/VHF licensed.

5, Receive training on use of radios.

Front 13

The safe working load (SWL) of a multi-leg chain sling only apply in what TWO configurations?

Back 13

1) Each leg is equally loaded.

2) Within 45° from vertical.

Front 14

When can barriers/signs marking a lifting operations working area be removed?

Back 14

When authorised machines are entering or exiting the area.

(it must be replaced when finished)

Front 15

Travelling with extra-long loads can be hazardous for what reason?

Back 15

Longer loads can swing or turn, they can strike the machine/structure.

Front 16

Before starting signalling duties for pick and carry duties, describe FOUR actions a slinger must make to be safe?

Back 16

1, Ensure place of refuge/safety

2, Slings checked and properly attached to load

3, No people/objects in way of the area of travel

4, Landing site prepared and ready to receive load.

Front 17

Why are slingers considered 'safety critical' workers?

Back 17

There could be serious health and safety consequences for myself and others.

Front 18

Name FIVE proximity hazards which could affect a lifting operation.

Back 18

1, Lifting near people

2, Lifting near buildings

3, nearby buildings

4, fire hydrants

5, Excavation trenches

Front 19

When working with non-hoist rope lifting equipment e.g an excavator, forklift etc. Just before going to attach or detach a load

a) what action should the slinger undertake?

b) what action should the operator take?

c) why?

Back 19

a) Check with operator that it is safe to approach machine.

b) Isolate the machine.

c) To make sure that there is no unplanned movements of any part of the machine.

Front 20

Name THREE ways that a hired in slinger can contribute in ensuring repeat business with the contractor.

Back 20

1) Cooperate with others

2) work safely

3) Punctuality

Front 21

State the functions/Job role of:

APPOINTED PERSON

Back 21

- Overall planning, reviewing and updating of lift plan.

-Production or risk assessments/method statements.

-Appointments for crane team, leading that team.

-Ensuring that certification of crane operators is valid.

Front 22

Why should checks be made to lifting accessories after work has ceased?

Back 22

To check for damage and to ensure they are safe to be used again.

Front 23

A one tonne webbing sling is attached to a load using a choke hitch. what is the maximum weight the acessory is allowed to lift?

Back 23

0.8 tonnes

(webbing slings knock 20% off weight)

Front 24

Before being guided by a slinger / signaller for a pick and carry duty, what instruction should be given to the machine operator by the signaller if they lose control of each other?

Back 24

He must stop the machine until slinger becomes visible again.

Front 25

If setting up to lift loads in a pedestrianised area, state the one factor that needs to be taken into account by the slinger.

Back 25

Use barriers and exclusion zones to segregate pedestrians from work area.

Front 26

What are the two actions that a slinger undertakes on lifting accessories during pre use inspections?

Back 26

1, Check accessories manufacturers recommendations.

2, Wear gloves.

Front 27

Why must the rope of an item of lifting equipment (mobile/crawler crane etc) be kept vertical before lifting any loads?

Back 27

You don't want the load to drag and cause swing, this could cause overload.

Front 28

How does the use of a swivel hook assist in lifting operations?

Back 28

Swivel hooks prevent twisting of accessories, signaller can twist load away from machine to avoid contact.

Front 29

Name FIVE items that should be listed within a site management traffic plan.

Back 29

1, Traffic routes

2, Pedestrian routes

3, One way systems

4, restricted areas.

5,escape routes

Front 30

When using more than one lifting accessory, how should they be secured to the crane hook?

Back 30

They should be secured using a shackle.

Front 31

Explain THREE factors that can affect the integrity of an exclusion zone and safe movement within the zone.

Back 31

1, Unauthorised Vehicle/Plant movement.

2, Absent/Not enough marshals and signallers.

3, Removed/Missing signs.

Front 32

Name the advantages of the following types of lifting accesory:

1, Chain sling

2, Webbing sling (round/flat)

3,Steel wire rope

Back 32

1, chain slings - withstand rougher handling (more robust)

2, Webbing slings - less likely to get damaged delicate loads, easier to attach loads.

3, Steel wire rope - very little stretch at max SWL.

Front 33

With lighter boom construction on boom or jib equipped cranes, how does the deflection of a boom or jib affect lifting operations?

Back 33

It can increase the radius.

Front 34

Two boom/jib equipped cranes are working in the same vicinity that encroach on the operating radius of each.

What actions would the lift plan or method statement normally specify?

Back 34

To specify limits on slewing, crane supervisor needs to coordinate with good communication between slinger and operator.

Front 35

What needs to be inspected on a quick-hitch coupler of an excavator if attaching lifting accessories for the lifting of slung loads?

Back 35

1, Is it approved for lifting?

2, SWL details

3, Condition of accessory attachment point

4, security of pins

5, Make sure it is (QHC) tilted downwards to stop fouling of the accessory on the coupler as the restriction of movement/bending of accessory can be caused.

Front 36

Give FOUR reasons that may cause mobile lifting equipment to over turn.

Back 36

1, Soft ground

2, Slopes

3, Excessive load/swing

4, Insufficient counterweight.

Front 37

a) When is a trial lift carried out?

b) Name THREE checks to be carried out.

Back 37

a) After the weight of the load is taken on each lift.

b)

1, Load is supported

2, Load is secured

3, Lifting accessories are attached correctly.

Front 38

How can a qualification or card benefit a slinger/signaller?

Back 38

It is proof to employer of training and competency.

Front 39

If a load is inadvertently slewed rather quickly bu the operator what TWO initial effects does it have on the load whilst slewing?

Back 39

1, Load can swing outwards increasing radius.

2, Trail the jib

Front 40

What two things should be considered when selecting a place of refuge or safety within a designated plant maneuvering area

Back 40

1, Easily accessible.

2, Able to protect from other movements/works.

Front 41

During inspections, damage has been found to a lifting accessory. what TWO actions must be taken?

Back 41

1, Report damage to crane supervisor

2, Take accessory out of service, clearly label it.

Front 42

The legs of a chain should be no more than 90° apart from each other. what happens to the SWL if the angle is longer?

Back 42

The SWL vecines reduced, causing possible overload.

Front 43

What THREE main duties of the Health and Safety at work act must employees follow?

Back 43

1, Take care of ourselves and others who may be affected by our actions.

2, Cooperate with our employer.

3, Do not intentionally or recklessly interfere with health and safety issues.

Front 44

When a suspended load is being travelled, in what position should the load be situated?

Back 44

Suspended loads should be travelled as close to the ground as possible.

Front 45

What checks need to be made before a load is lowered into a trench or excavation?

Back 45

1, There are no personnel/hazards in the trench.

2, The walls of the trench are supported.

Front 46

If a load is being travelled or slewed, what TWO possible factors should the slinger take into account?

Back 46

1, Time

2, Distance ( to stop )

Front 47

State the possible effect on an item of lifting equipment if it is positioned on a slope and lifts a load?

Back 47

It can overturn if it has excessive load/swing.

Front 48

Define a 'hazard'

Back 48

A danger or a risk

Front 49

Polyester webbing slings are coloured and have black lines. What do the different colours and number of lines indicate?

Back 49

Indicates working load limit (WLL)

Front 50

a) On mobile lifting equipment, what can apply loading pressure to the ground?

b) Name TWO ways pressure can be reduced.

Back 50

a) Wheels/Tracks/Stabilisers

b)

1,Reducing the machines overall weight

2, increasing the surface area of the weight bearing parts of the machine

Front 51

Name FOUR different types of level of sanctions that can be applied (by employers and judicial bodies) to slingers who do not comply with or follow legislation and regulations.

Back 51

1, Verbal warning

2, Written warning

3, Dismissal

4, Prosecution

Front 52

a) Who is allowed to issue lifting accessory test certificates?

b) When are they issued?

Back 52

a) An authorised competent person.

b) Once they have been tested.

Front 53

What are the possible outcomes of facing prosecution for not complying with legislation and regulations?

Back 53

Fine/Imprisonment

Front 54

Name THREE ways in which a slinger can minimise their impact on the environment.

Back 54

1, Working efficiently

2, Prior planning of work.

3, Correct disposal of waste.

Front 55

What makes up total (gross) weight of a load that is to be lifted?

Back 55

1, Weight of load

2, Lifting accessory

3, Hook block.

Front 56

What possible effect does rain have on the lifting operations?

Back 56

1, Reduced visibility

2, Load can get heavier (porous materials)

3, Takes longer to load/unload

4, Loads may become slippery

Front 57

What must be taken into account if a suspended load is being lifted with an accessory e.g chains, which has extra long legs.

Back 57

Boom/Jib must be taken into account to ensure sufficient ground clearance

Front 58

Before guiding and assisting the movement of mobile lifting equipment that is being repositioned to carry our a new lifting operation a) what should the marshaller/Signaller ensure and b) with whom?

Back 58

a) Check that machine is configured and set up correctly

b) Machine operator.

Front 59

Wind speeds can be variable throughout the working day. What action must be taken to ensure safe working conditions?

Back 59

Take extra care with any large surface area suspended loads.

Front 60

Which parts of slewing-type lifting equipment is the radius (for lifting) measured from?

Back 60

Centre of slewing ring to centre point of hook.

Front 61

When undertaking a pick-and-carry duty, explain why turning even gently, with a suspended load can cause an effect on the machine.

Back 61

Sideways overturn can occur because the centre of gravity could exceed the machines wheel track.

Front 62

Give TWO examples of where the work at height regulations may apply to lifting operations.

Back 62

1, For lifting operations this regulation requires access/egress to lifting area and to placing accessories onto a high load.

2, Removing accessories from a high load.

Front 63

What could affect the radio signal strength between operator and slinger.

Back 63

1, Building obstructions.

2, Battery strength.

3, Distance between slinger and operator.

Front 64

Suspended loads with a large surface area need additional care for what reason?

Back 64

Wind speeds could cause safe parimeters of crane to be exceeded.

Front 65

a)What is the purpose of a method statement/lift plan?

b) what is required of the slinger/Signaller?

Back 65

a) To give instruction on how to work safely on a particular task.

b) Slinger must always work towards method statement.

Front 66

Name THREE ways in which wind speed can affect lifting operations.

Back 66

1, Loads with large surface areas may swing.

2, Increase/Decrease slew speed.

3, Put loads outside of working radius and ultimately close down lifting operations.

Front 67

List SIX typical areas that should be covered in a site induction.

Back 67

1, Access/Egress.

2, Accidents/ Near miss reporting.

3, Welfare facilities.

4, Emergency procedures.

5, Escape routes

6, Safety Signs

Front 68

List SIX factors that must be taken into account by both machine operator and slinger if a suspended load is being travelled across a site.

Back 68

1, Machine is authorised to travel across site.

2, Configured correctly.

3, Capable and within limits.

4, The route is clear from overhead hazards.

5, Ground is suitable.

6, Slinger has sufficient help.

Front 69

The slinger has to use new lifting accessories that he is unfamiliar with, what do regulations (E.g LOLER 98) and other guidance require the slinger to have?

Back 69

Slinger must have sufficient training, information and instruction.

Front 70

When checking condition of lifting accessories why must gloves be worn?

Back 70

1, To protect hands against sharp bits.

2, Prevent grease/oil from contaminating the load/accessory

3, Prevent skin disease.

Front 71

What does the health and safety at work act require employers to do with regards specifically to plant?

Back 71

Employers must provide plant that is safe to use and to maintain the plant so it does not pose a risk to anyones health.

Front 72

What is the difference between a contract lift and a standard crane hire

Back 72

CONTRACT LIFT: Crane company plans and supervises lifting operations

STANDARD CRANE HIRE: Crane and operator work to customers instruction via a lift plan.

Front 73

What information is needed when estimating the weight of a load?

Back 73

VOLUME (Size)

DENSITY (Material type)

HOLLOW (Structure)

Front 74

If attaching accessories to a quick hitch coupler of a machine such as an excavator, give TWO reasons why should the coupler be tilted in the downwards position?

Back 74

To stop fouling of the accessory on the coupler because restriction of movement/bending can occur

Front 75

During the lifting operation, part of the task cannot be carried out as detailed in the lift plan.

a) What initially must happen to the lifting operation?

b) Who authorises any changes?

Back 75

a) Work must STOP

b)Appointed person

Front 76

a)What determines the minimum distances that any part of plant and machinery has to be kept from overhead electricity likes and b) Explain why a distance must be kept.

Back 76

a) Voltage and type of support (metal/Wooden poles)

b) Electricity can ARC and jump across gaps.

Front 77

What is regarded as the danger or hazard zone during a lifting operation?

Back 77

The working radius and slew/travel area of lifting equipment boom/jib.

Front 78

a)What is meant by the rated (lifting) capacity of lifting equipment and b)who determines it?

Back 78

a) Maximum lifting capacity for any configuration as determined.

b)Manufacturer.

Front 79

If guiding an item of lifting equipment undertaking pick-and-carry duties near an open trench which has a depth of 2 meters, what is the minimum distance to maintain?

Back 79

4 Meters

(2x Distance to depth)

Front 80

If the hook bock of a hoist-rope equipped lifting equipment accidentally lands, what is a possible consequence?

Back 80

1, Could damage lifting equipment

2, Rope cross over

3, Rope alignment on pulleys.

Front 81

On hoist rope-lifting equipment, how does the rope or line length affect load swings?

Back 81

Longer line makes load swing slower.

Front 82

a) What does the SWL as stamped on lifting accessories indicate?

b) what action should be taken if the SQL is not marked on a lifting accessory?

Back 82

a) Maximum load that can be carried safely.

b) It should not be used (clearly marked as unusable)

Front 83

On what type of load should a spreader beam be used?

Back 83

Long loads.