NCCCO OVERHEAD C RANE EXAM -

NCCCO OVERHEAD C RANE EXAM -

ACTUAL EXAM 100 QUESTIONS AND CORRECT

DETAILED ANSWERS (VERIFIED ANSWERS )

|ALREADY GRADED A

What is the purpose of the upper limit switch (the only one required by OSHA)? - ANSWER- Limit the hoist travel

When any machinery or apparatus is found to be defective or inoperative on the crane, the person discovering this condition should? - ANSWER- Report it to the supervisor

When loss of power occurs, the crane operator should? - ANSWER- Put controllers in off position

An object to be lifted is rectangular in shape and measures 5' long × 3' wide x2' high. The volume of this object is? - ANSWER- 30 cubic feet

A floor weight limitation is posted at 700 pounds per square foot maximum. Before lowering a load down onto this floor that is calculated at 900 pounds per square foot, what must be done? - ANSWER- Install cribbing to decrease surface bearing pressure 1 / 2

The term "Lay Length" when referring to wire rope is equal to? - ANSWER- The distance it takes one strand to make one complete revolution around the center core

According to OSHA, rated capacity rigging charts will aid you when? - ANSWER- Determining if the rigging equipment meets all criteria established by law

If possible, always try to keep horizontal sling angles? - ANSWER- Greater than 30 degrees

Whenever a situation calls for placing both ends of a sling into a hook or placing more than one sling into a hook, what piece of rigging hardware for making this connection should be used? - ANSWER- A shackle

How can shock loading of rigging equipment be prevented? - ANSWER- By applying loads to rigging equipment more slowly when lifting

What are the runways on which the crane runs up and down the plant called? - ANSWER- Rails

What is the minimum safety factor for overhead crane wire ropes? - ANSWER- 5 to 1

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