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Certified Mobile Crane Operator Prep Training Final Exam – Questions & Solutions
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Certified Mobile Crane Operator Prep Training FinalExam – Questions & Solutions
Where must the operators manual be kept during crane operations?
Correct Ans - The operators manual must be always kept in the cab
According to ASME B30.5, what are the minimal requirements to meet
crane operator qualifications? Correct Ans - Physical, Written Test,
Practical Test
Which will have the greatest effect to the fulcrum of a crawler crane and
have a major impact on capacity? Correct Ans - Working over the
rear
What hand signal must be always obeyed? Correct Ans - Stop
When removing pins or bolts from a boom assembly, workers shall remain?
Correct Ans - Out from under the boom
When may a crane be overloaded? Correct Ans - Never
What is the purpose of a boom length indicator? Correct Ans - To
provide the actual boom length at the time of use
When can the operator leave the crane? Correct Ans - After
securing the crane
When can a crane be side loaded? Correct Ans - With a freely
suspended load
The deflection of a boom will cause the load to? Correct Ans -
Increase the radius
Which inspection has a competent person making records of the
inspection? Correct Ans - Month
When should tag lines be used? Correct Ans - When the rotation of
the suspended load becomes hazardous
, What shall be in the operators cab during crane operations? Correct
Ans - Load charts
Which of the following is considered duty-cycle work? Correct Ans -
Clamshell digging
When doing duty cycle work, most manufacturers require the cranes
capacity to be reduced by? Correct Ans - 20%
Which components are not parts of the boom? Correct Ans - Heel
pins
The boom angle on a lattice boom crane, is the angle between? Correct
Ans - The ground and centerline of the boom, between sheaves and heel
pins
Three short audible signals means? Correct Ans - Back-up
According to ANSI B30.5, hand signal chart shall be posted where?
Correct Ans - On the job site
A signal person shall be? Correct Ans - A designed person, tested
and qualified
An anti-two-block device can be used? Correct Ans - To test the LMI
Cranes should be load tested when? Correct Ans - After
modifications
Upon completion of assembly of the crane, what must be done? Correct
Ans - An inspection to ensure that manufacturer specifications are met
During crane assembly, the counterweight should be installed when?
Correct Ans - Before raising the boom
A long boom crane at a short radius and out of level by 3 degrees can see a
reduction in capacity by as much as? Correct Ans - 50%
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