NCCCO Core Practice Exam

NCCCO Core Practice Exam | Questions and Answers Rated A+ | Latest / 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% 1 / 2

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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