According to OSHA subpart CC, when employees are engaged in hooking,
unhooking, or guiding the load within the fall zone what type of hook should
be used?
- Correct Answer - J hook
According to OSHA subpart CC, when employees are engaged in hooking,
unhooking or guiding the load within the fall zone _________
- Correct Answer - Hooks must have self-closing latches
An electrocution decal needs to be placed where on the crane?
- Correct Answer - One in the cab and two on the outside of the crane
What is the capital D referring to in the term D/d ratio, as it related to a basket
hitch?
- Correct Answer - The diameter of the load
If the controlling entity cannot be contacted, who should be notified if there is
an issue with ground conditions?
- Correct Answer - Employer with authority
What is the definition of gross load?
,- Correct Answer - The load weight plus the weight of all attachments/load
handling devices
What is the definition of net load?
- Correct Answer - The actual weight of the load before attachments/load
handling devices are factored in
What is the definition of net capacity?
- Correct Answer - The capacity listed on the load chart given the configuration
minus all applicable attachments/load handling devices
The term "center of gravity" means:
- Correct Answer - The point of an object around which the weight is averaged
(concentrated)
ANSI/ASME B30.5 deals with which type of cranes?
- Correct Answer - Mobile and locomotive
What is the meaning of "boom stop"?
- Correct Answer - Device used to limit the boom at its highest position.
In order to calculate the working load limit of wire rope, you must:
- Correct Answer - Divide the breaking strength by the appropriate design
factor
"Effective weight" is:
- Correct Answer - The calculated amount of effect a component will have on
the lifting point of a crane
, On a lattice boom crane, which position should the gantry be in when lifting a
load?
- Correct Answer - Highest position
Blocking angle type outriggers too high could cause:
- Correct Answer - Tipping axis reduction
The effect of external pressure on wire rope is described as:
- Correct Answer - Crushing
Due to its tendency to untwist, which of these types of wire rope should NOT
be used on single part hoisting lines?
- Correct Answer - Lang lay
Rotation resistant wire rope sometimes has a lower Working Load Limit than an
equal sized regular lay wire rope because:
- Correct Answer - Rotation resistant wire rope has a higher design factor
At what angle to the horizontal will the stress on each sling leg (using 2 slings)
be equal to the weight of the load?
- Correct Answer - 30°
Extra load radius can be caused by:
- Correct Answer - Rapid swing
Crane stability is based on:
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