10/22/2024 12:14 PM
Mobile Crane NCCER Study Guide
Questions And Answers 100% Pass.
When determining the "gross load" the best method is: - answer✔Get an accurate load weight
and add the rigging
By order of strength which is correct - answer✔Basket, Vertical, Choker
Primary purpose for a roster sheave or auxiliary boom point sheave is to: - answer✔Separate the
hoist line
When the number of layers of rope on a drum increase the : - answer✔Allowable line pull
decreases
What is the minimum allowable distance from the crane and power lines under 50kV? -
answer✔10'
Eccentric main boom tip reeving casues - answer✔twisting of the boom
How many randomly broken wires must there be to remove a running wire rope from service? -
answer✔6
When working near power lines when is a signal person required? - answer✔When crane moves
within a booms length of power lines
When operating truck cranes what is the most unstable allowable quadrant of operation? -
answer✔Side
Tipping capacities of locomotive cranes are based on what % of tipping? - answer✔85%
Should the load be applied when determining the proper boom angle? - answer✔YES
What type of rope is recommended for a tagline around powerlines - answer✔Polypropylene
what does two beeps of the horn indicate to people in the area - answer✔forward