Mobile Crane NCCER 2026|| QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||NEWEST EXAM!!!
To determine how may cubic feet are in an object you
must: - ANSWER-Multiply by the length by the width by
the height
For a truck crane to maintain a margin of safety against
tipping backwards: - ANSWER-Weight on lift carrier must
not be less than 15% of total crane weight
Which of the following is classified as a standing rope? -
ANSWER-Pendant line
Working radius is defined as the distance from the: -
ANSWER-Center of rotation of the crane to the center of
gravity of the load
The dead-end of the wire rope above the wedge socket
must extend minimum of 6 times the rope diameter of? -
ANSWER-6''
As you boom down the leverage of the load on the crane
will - ANSWER-Increase
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One of the most severe effects of being out of level is: -
ANSWER-Side load develops in the boom
When Anti-two block device is activated what crane
function will NOT work? - ANSWER-Boom down
What is required of the operator if the load weight is not
accurately known? - ANSWER-Determine that the load
weight does not exceed the crane's capacity before
attempting the lift.
The distance from the center of rotation to the center line
of a freely suspended hoist line is known as the: -
ANSWER-Radius
What does two blocking mean - ANSWER-When the load
handling device make contact with the upper sheaves
Us multi part reeving with the load block when: -
ANSWER-the line pull is less than the load
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what effect does rapid hoist acceleration have on the
crane? - ANSWER-Produces hook loads greater than the
actual load
it is not recommended to use slings below_____ angles? -
ANSWER-30 degree
To prevents two-blocking the operator must lower the hoist
line or lines when performing which functions: - ANSWER-
A. Booming down
B. Extending the boom
C. Working within the 12 inch minimum of boom tip
Either end of a hoist rope that has to be cut must be cut by
using a - ANSWER-Cable cutter
For supporting rated loads the design factor for live or
running ropes that wind on drums or travel over sheaves
shall not be less than: - ANSWER-3.5
For supporting the boom and working attachments at
recommended travel and transit positions and boom