CERTIFIED MOBILE CRANE OPERATOR PREP TEST
FULLY SOLVED #16
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
What is the definition of must or shall when used in legal terms? - correct answer
Required or mandatory
FULLY SOLVED #16
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
What is the definition of must or shall when used in legal terms? - correct answer
Required or mandatory
