certified mobile crane operator prep test
Questions and Verified Answers
Where must the operator's manual be kept during crane operations? Correct Answer: The 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?
Correct Answer: 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 Answer: working over the rear
what hand signal must always be obeyed? Correct Answer: Stop
When removing pins or bolts from a boom, assembly, workers shall remain? Correct Answer: out from
under the boom
when may a crane be overloaded? Correct Answer: Never
what is the purpose of a boom length indicator? Correct Answer: to provide the actual boom length at
the time of use.
when can the operator leave the crane? Correct Answer: after securing the crane
when can a crane be side loaded Correct Answer: with a freely suspened load
the deflection of a boom will cause the load to? Correct Answer: increase the radius
which inspection has a competent person making records of the inspection? Correct Answer: Month
when should tag lines be used? Correct Answer: when the rotation of the suspended load becomes
hazardous
what shall be in the operator's cab during crane operations? Correct Answer: load charts
which of the following is considered duty-cycle work? Correct Answer: clamshell digging.
when doing the duty cycle work, most manufactures require the crane's capacity to be reduced by?
Correct Answer: 20%
, which components are not parts of the boom? Correct Answer: Heel pins
the boom angle on a lattice boom crane, is the angle between? Correct Answer: The ground and the
centerline of the boom, between the sheaves and the heel pins.
Three short audible signals means? Correct Answer: Back-up
According to ANSI B30.5, hand signal chart shall be posted where? Correct Answer: On the job site
a signal person shall be? Correct Answer: A designated person, tested and qualified
an anti-two-block device can be used? Correct Answer: To test the LMI
Cranes should be load tested when? Correct Answer: After modifications
upon completion of assembly of the crane, what must be done? Correct Answer: an inspection to ensure
that manufacturer specifications are met
during crane assembly, the counterweight should be installed when? Correct Answer: 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 Answer: 50%
crane stability is based on? Correct Answer: lever principle
what is the OSHA standard for cranes in construction industry Correct Answer: 29 CFR 1926.Subpart CC
What type of test does a crane inspector have to pass? Correct Answer: Written test
What type of test does a crane operator trainee have to pass? Correct Answer: written test
what percentage of the crane chart is considered a critical lift? Correct Answer: 75%
a multi crane shall require? Correct Answer: critical lift plan, reduction of gross capacity by 25% and one
designated person in charge
When doing a pick and carry, tire pressure must? Correct Answer: meet manufacturer's specifications
the load chart is matched to the crane by? Correct Answer: serial number
Questions and Verified Answers
Where must the operator's manual be kept during crane operations? Correct Answer: The 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?
Correct Answer: 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 Answer: working over the rear
what hand signal must always be obeyed? Correct Answer: Stop
When removing pins or bolts from a boom, assembly, workers shall remain? Correct Answer: out from
under the boom
when may a crane be overloaded? Correct Answer: Never
what is the purpose of a boom length indicator? Correct Answer: to provide the actual boom length at
the time of use.
when can the operator leave the crane? Correct Answer: after securing the crane
when can a crane be side loaded Correct Answer: with a freely suspened load
the deflection of a boom will cause the load to? Correct Answer: increase the radius
which inspection has a competent person making records of the inspection? Correct Answer: Month
when should tag lines be used? Correct Answer: when the rotation of the suspended load becomes
hazardous
what shall be in the operator's cab during crane operations? Correct Answer: load charts
which of the following is considered duty-cycle work? Correct Answer: clamshell digging.
when doing the duty cycle work, most manufactures require the crane's capacity to be reduced by?
Correct Answer: 20%
, which components are not parts of the boom? Correct Answer: Heel pins
the boom angle on a lattice boom crane, is the angle between? Correct Answer: The ground and the
centerline of the boom, between the sheaves and the heel pins.
Three short audible signals means? Correct Answer: Back-up
According to ANSI B30.5, hand signal chart shall be posted where? Correct Answer: On the job site
a signal person shall be? Correct Answer: A designated person, tested and qualified
an anti-two-block device can be used? Correct Answer: To test the LMI
Cranes should be load tested when? Correct Answer: After modifications
upon completion of assembly of the crane, what must be done? Correct Answer: an inspection to ensure
that manufacturer specifications are met
during crane assembly, the counterweight should be installed when? Correct Answer: 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 Answer: 50%
crane stability is based on? Correct Answer: lever principle
what is the OSHA standard for cranes in construction industry Correct Answer: 29 CFR 1926.Subpart CC
What type of test does a crane inspector have to pass? Correct Answer: Written test
What type of test does a crane operator trainee have to pass? Correct Answer: written test
what percentage of the crane chart is considered a critical lift? Correct Answer: 75%
a multi crane shall require? Correct Answer: critical lift plan, reduction of gross capacity by 25% and one
designated person in charge
When doing a pick and carry, tire pressure must? Correct Answer: meet manufacturer's specifications
the load chart is matched to the crane by? Correct Answer: serial number
