NCCCO Core Practice Exam |
Questions and Answers Rated A+ |
Latest 2024/2025
What is the maximum number of broken wires, on regular lay
running rope, is cause for replacement?
- Correct Answer - 6
On the majority of conventional cranes, the power is transferred
to the torque converter by a:
- Correct Answer - Master clutch
During disassembly of a long boom, the hog lines are
connected at the maximum cantilever point and the boom is
slightly lifted off the ground. Which pins are to be removed
next?
- Correct Answer - The bottom pins ahead of the cantilever
point
When using load/capacity charts, what does the term "jib angle
to ground" refer to?
- Correct Answer - Main boom angle minus the jibs offset
A truck crane, with outriggers properly set, is rated at what
percentage of its tipping capacity?
- Correct Answer - 85%
, On a truck crane with the outriggers extended and set, and tires
touching the ground, the operator should refer to what load
chart?
- Correct Answer - On rubber chart
When testing a man basket how long must the test pick be
maintained?
- Correct Answer - 5 minutes
What is the minimum pitch diameter for Load Hoisting
sheaves?
- Correct Answer - Not less than 18 times rope diameter
What is the minimum pitch diameter for Boom Hoisting
sheaves?
- Correct Answer - Not less than 15 times rope diameter
What is the minimum pitch diameter for Load Block sheaves?
- Correct Answer - Not less than 16 times rope diameter
Seat belts shall be provided on what cranes?
- Correct Answer - cherry pickers- R/T cranes
Outrigger blocking should be at least:
- Correct Answer - 3X pad size
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