In what situation does a hard hat NOT need to be worn when operating a
mobile crane? Correct Ans - When the operator is in an enclosed
structure that meets the FOPS regulation FALLING OBJECT STRUCTURE
Wind speeds can be variable throughout the working day. What action must
be taken to ensure safe working conditions are maintained? Correct
Ans - Wind speeds must be constanly monitored
Name THREE ways in which an operator can minimise their impact upon
the environment whilst using the machine. Correct Ans - Efficient
use of the crane , Lower engine speed ,Well maintained machine, Correct
disposal waste , planning the work before to maximise efficiency
When working in a confined area or space: what danger can be present
with regards to the counterweight of the machine, when should measures
be taken and what measures should be implemented? Correct Ans -
The gap between the counterweight and a structure being reduced or
contacted the object structure when slewing . Minimum 600mm . Ensure
sufficient clearance or block the access in the area .
As a lifting machine, the crane must be thoroughly examined. What is the
purpose of the examination and who would carry out the examination?
Correct Ans - To ensure the crane is free from structural defects and
problems not covered by the daily checks . AN AUTHORISED AND
COMPETENT PERSON
Two cranes are working in the same vicinity that encroach the operating
radius of each. What actions would the lift plan or method statement
normally specify? Correct Ans - Crane Co-ordinator , Slew
Restrictors , Crash Radio's
Why should a crane be re-fuelled at the end of the day? Correct Ans -
To prevent condensation building up in the tank as it's cooling down
Which parts of the crane is the radius (for lifting) measured from?
Correct Ans - From the centre of the slew ring to the central point of the
hook
, What is the purpose of a roll or ROPS frame? Correct Ans - The
purpose of the ROPS is to provide protection in the eventuality of a rollover
with the machine ROLL OVER PROTECTIVE STRUCTURE
What is the purpose of a Method Statement and what is required of the
operator? Correct Ans - A method statement describes how the
work will be done safely and efficiently . The Operator must be compliant
with the Method Statement .
Apart from the operator, who else may need to use the machine's
Operator's Manual? Correct Ans - Maintenance Staff , Supervisors
and Transporter Drivers
During the lifting operation, part of the task cannot be carried out as
detailed in the lift plan. What initially must happen to the lifting operation
and who authorises any changes? Correct Ans - The Operation
must stop until the plan is amended . The appointed Person
What is the main purpose of the Rated Capacity Indicator (RCI)?
Correct Ans - A device that automatically provides to the operator
warnings that the load is approaching or is Exceeding the rated capacity of
the crane within a specified tolernce
Who only can authorise partial outrigger extensions and what is the effect
on lifting capacity by partially extending the outriggers? Correct Ans -
The Manufacturer , Lifting Capacity is normally reduced
Name THREE ways in which wind speed can affect the lifting operation.
Correct Ans - Can cause load swing , can Slow or Increase the Slew
speed of the crane , can shut down lifting opertions
What is the purpose of the hoisting limit switch (also known as the
'chandelier')? Correct Ans - To prevent the hook block contacting
the pulley
If the crane has to travel on the public highway, the Road Traffic Act
applies. What type of licence and which classes should the operator hold
and what is the minimum age allowed? Correct Ans - A full UK
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