certified mobile crane operator prep test
Questions & Answers
Where must the operator's manual be kept during crane operations? - ANSWERThe
operator's manual should always be kept in the cab
according to ASME B30.5, what are the minimal requirements to meet the crane
operator qualifications? - ANSWERPhysical, Written test, Practical Test
which will have the greatest effect to the fulcrum of a crawler crane and have a major
impact on capacity? - ANSWERworking over the rear
what hand signal must always be obeyed? - ANSWERStop
When removing pins or bolts from a boom, assembly, workers shall remain? -
ANSWERout from under the boom
when may a crane be overloaded? - ANSWERNever
what is the purpose of a boom length indicator? - ANSWERto provide the actual boom
length at the time of use.
when can the operator leave the crane? - ANSWERafter securing the crane
when can a crane be side loaded - ANSWERwith a freely suspened load
the deflection of a boom will cause the load to? - ANSWERincrease the radius
which inspection has a competent person making records of the inspection? -
ANSWERMonth
when should tag lines be used? - ANSWERwhen the rotation of the suspended load
becomes hazardous
what shall be in the operator's cab during crane operations? - ANSWERload charts
which of the following is considered duty-cycle work? - ANSWERclamshell digging.
when doing the duty cycle work, most manufactures require the crane's capacity to be
reduced by? - ANSWER20%
which components are not parts of the boom? - ANSWERHeel pins
, the boom angle on a lattice boom crane, is the angle between? - ANSWERThe ground
and the centerline of the boom, between the sheaves and the heel pins.
Three short audible signals means? - ANSWERBack-up
According to ANSI B30.5, hand signal chart shall be posted where? - ANSWEROn the
job site
a signal person shall be? - ANSWERA designated person, tested and qualified
an anti-two-block device can be used? - ANSWERTo test the LMI
Cranes should be load tested when? - ANSWERAfter modifications
upon completion of assembly of the crane, what must be done? - ANSWERan
inspection to ensure that manufacturer specifications are met
during crane assembly, the counterweight should be installed when? - ANSWERbefore
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? - ANSWER50%
crane stability is based on? - ANSWERlever principle
what is the OSHA standard for cranes in construction industry - ANSWER29 CFR
1926.Subpart CC
What type of test does a crane inspector have to pass? - ANSWERWritten test
What type of test does a crane operator trainee have to pass? - ANSWERwritten test
what percentage of the crane chart is considered a critical lift? - ANSWER75%
a multi crane shall require? - ANSWERcritical lift plan, reduction of gross capacity by
25% and one designated person in charge
When doing a pick and carry, tire pressure must? - ANSWERmeet manufacturer's
specifications
the load chart is matched to the crane by? - ANSWERserial number
What is the definition of must or shall when used in legal terms? - ANSWERRequired or
mandatory
Questions & Answers
Where must the operator's manual be kept during crane operations? - ANSWERThe
operator's manual should always be kept in the cab
according to ASME B30.5, what are the minimal requirements to meet the crane
operator qualifications? - ANSWERPhysical, Written test, Practical Test
which will have the greatest effect to the fulcrum of a crawler crane and have a major
impact on capacity? - ANSWERworking over the rear
what hand signal must always be obeyed? - ANSWERStop
When removing pins or bolts from a boom, assembly, workers shall remain? -
ANSWERout from under the boom
when may a crane be overloaded? - ANSWERNever
what is the purpose of a boom length indicator? - ANSWERto provide the actual boom
length at the time of use.
when can the operator leave the crane? - ANSWERafter securing the crane
when can a crane be side loaded - ANSWERwith a freely suspened load
the deflection of a boom will cause the load to? - ANSWERincrease the radius
which inspection has a competent person making records of the inspection? -
ANSWERMonth
when should tag lines be used? - ANSWERwhen the rotation of the suspended load
becomes hazardous
what shall be in the operator's cab during crane operations? - ANSWERload charts
which of the following is considered duty-cycle work? - ANSWERclamshell digging.
when doing the duty cycle work, most manufactures require the crane's capacity to be
reduced by? - ANSWER20%
which components are not parts of the boom? - ANSWERHeel pins
, the boom angle on a lattice boom crane, is the angle between? - ANSWERThe ground
and the centerline of the boom, between the sheaves and the heel pins.
Three short audible signals means? - ANSWERBack-up
According to ANSI B30.5, hand signal chart shall be posted where? - ANSWEROn the
job site
a signal person shall be? - ANSWERA designated person, tested and qualified
an anti-two-block device can be used? - ANSWERTo test the LMI
Cranes should be load tested when? - ANSWERAfter modifications
upon completion of assembly of the crane, what must be done? - ANSWERan
inspection to ensure that manufacturer specifications are met
during crane assembly, the counterweight should be installed when? - ANSWERbefore
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? - ANSWER50%
crane stability is based on? - ANSWERlever principle
what is the OSHA standard for cranes in construction industry - ANSWER29 CFR
1926.Subpart CC
What type of test does a crane inspector have to pass? - ANSWERWritten test
What type of test does a crane operator trainee have to pass? - ANSWERwritten test
what percentage of the crane chart is considered a critical lift? - ANSWER75%
a multi crane shall require? - ANSWERcritical lift plan, reduction of gross capacity by
25% and one designated person in charge
When doing a pick and carry, tire pressure must? - ANSWERmeet manufacturer's
specifications
the load chart is matched to the crane by? - ANSWERserial number
What is the definition of must or shall when used in legal terms? - ANSWERRequired or
mandatory
