NCCCO Final Test Exam with Questions and Answers – 100% Solved
A truck crane is set up on outriggers. The part of the load chart governed by stability is based on
what percentage of the cranes capacity? - ✔✔✔-85%
According to ASME, what percentage of the manufacturer's crane rating must not be exceeded
if a load test is done on a repaired crane? - ✔✔✔-100%
According to OSHA 29 CFR 1910.180, how accurate must a load weight be if it is in the structural
portion of the load chart? - ✔✔✔-Plus of minus 10%
According to OSHA, when can an operator leave his seat with a suspended load in the air? -
✔✔✔-Almost never (and the exception requires that four conditions be met)
According to OSHA, which accessible area of an operating crane must always be barricaded? -
✔✔✔-The swing radius of the rear of the rotating superstructure
Based on OSHA and ASME standards, which of the following conditions are required for blocking
or cribbing? - ✔✔✔-• Blocking/Cribbing must provide 100% support for each float,
• Must be large enough in area² to prevent sinking,
• Must be strong enough to prevent crushing, bending, or shear failure.
Blocking (Cribbing) may be placed under outrigger beams: - ✔✔✔-Never.
From which two points should the boom be measured? - ✔✔✔-From the boom hinge pins, to
the center of the boom tip sheave
How does the use of outriggers increase the tipping capacity of a crane? - ✔✔✔-By moving the
tipping axis further from the center of gravity of the crane
, NCCCO Final Test Exam with Questions and Answers – 100% Solved
How should the wheels of a crane be positioned when it is set up for working on outriggers? -
✔✔✔-Just high enough off the ground to relieve the tires of crane weight
If the operator makes two audible signals when moving a crane, he/she intends to
______________ - ✔✔✔-Go ahead
In which quadrant are rough terrain crane capacities generally greater? - ✔✔✔-Over the front
Is there an official requirement that requires each outrigger float on blocking to be 100%
supported? - ✔✔✔-Yes. This is enquires
List four things an operator should consider when deciding how much, if any, to reduce
operating capacity in the wind. - ✔✔✔-1) If speeds are 20mph
2) Direction of wind
3) Surface area of boom length & load
4) Manufacturers instructions
List two examples of outrigger use in which the crane's leverage on the load is reduced. - ✔✔✔-
Outriggers not fully extended, tires not off ground
List two reasons crane manufacturers require reductions in capacity for duty cycle work. -
✔✔✔-1) dynamic loading
2) increased radius
Listen seven ideal conditions for crane operation. - ✔✔✔-1) Not windy
2) Clear vision (no fog)
3) Sunny (Dry)
4) Crane is maintainenced (greased)
A truck crane is set up on outriggers. The part of the load chart governed by stability is based on
what percentage of the cranes capacity? - ✔✔✔-85%
According to ASME, what percentage of the manufacturer's crane rating must not be exceeded
if a load test is done on a repaired crane? - ✔✔✔-100%
According to OSHA 29 CFR 1910.180, how accurate must a load weight be if it is in the structural
portion of the load chart? - ✔✔✔-Plus of minus 10%
According to OSHA, when can an operator leave his seat with a suspended load in the air? -
✔✔✔-Almost never (and the exception requires that four conditions be met)
According to OSHA, which accessible area of an operating crane must always be barricaded? -
✔✔✔-The swing radius of the rear of the rotating superstructure
Based on OSHA and ASME standards, which of the following conditions are required for blocking
or cribbing? - ✔✔✔-• Blocking/Cribbing must provide 100% support for each float,
• Must be large enough in area² to prevent sinking,
• Must be strong enough to prevent crushing, bending, or shear failure.
Blocking (Cribbing) may be placed under outrigger beams: - ✔✔✔-Never.
From which two points should the boom be measured? - ✔✔✔-From the boom hinge pins, to
the center of the boom tip sheave
How does the use of outriggers increase the tipping capacity of a crane? - ✔✔✔-By moving the
tipping axis further from the center of gravity of the crane
, NCCCO Final Test Exam with Questions and Answers – 100% Solved
How should the wheels of a crane be positioned when it is set up for working on outriggers? -
✔✔✔-Just high enough off the ground to relieve the tires of crane weight
If the operator makes two audible signals when moving a crane, he/she intends to
______________ - ✔✔✔-Go ahead
In which quadrant are rough terrain crane capacities generally greater? - ✔✔✔-Over the front
Is there an official requirement that requires each outrigger float on blocking to be 100%
supported? - ✔✔✔-Yes. This is enquires
List four things an operator should consider when deciding how much, if any, to reduce
operating capacity in the wind. - ✔✔✔-1) If speeds are 20mph
2) Direction of wind
3) Surface area of boom length & load
4) Manufacturers instructions
List two examples of outrigger use in which the crane's leverage on the load is reduced. - ✔✔✔-
Outriggers not fully extended, tires not off ground
List two reasons crane manufacturers require reductions in capacity for duty cycle work. -
✔✔✔-1) dynamic loading
2) increased radius
Listen seven ideal conditions for crane operation. - ✔✔✔-1) Not windy
2) Clear vision (no fog)
3) Sunny (Dry)
4) Crane is maintainenced (greased)
