Mobile Crane NCCER Exam (Latest Exam 2025)
| All Questions and Correct Answers | Verified
Answers | Graded A+
Which one of the following wire ropes should not be used in mulit-part reeving
because it rapidly deteriorates usually internally with repeated bending? ---------
CORRECT ANSWER-----------------19x7
To determine how may cubic feet are in an object you must: ---------CORRECT
ANSWER-----------------Multiply by the length by the width by the height
For a truck crane to maintain a margin of safety against tipping backwards: ---------
CORRECT 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? ---------CORRECT ANSWER--
---------------Pendant line
Working radius is defined as the distance from the: ---------CORRECT 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? ---------CORRECT ANSWER-----------------6''
As you boom down the leverage of the load on the crane will ---------CORRECT
ANSWER-----------------Increase
One of the most severe effects of being out of level is: ---------CORRECT ANSWER--
---------------Side load develops in the boom
When Anti-two block device is activated what crane function will NOT work? ------
---CORRECT ANSWER-----------------Boom down
What is required of the operator if the load weight is not accurately known? -------
--CORRECT 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: ---------CORRECT ANSWER-----------------Radius
What does two blocking mean ---------CORRECT ANSWER-----------------When the
load handling device make contact with the upper sheaves
, Us multi part reeving with the load block when: ---------CORRECT ANSWER-----------
------the line pull is less than the load
What effect does rapid hoist acceleration have on the crane? ---------CORRECT
ANSWER-----------------Produces hook loads greater than the actual load
It is not recommended to use slings below_____ angles? ---------CORRECT
ANSWER-----------------30 degree
To prevents two-blocking the operator must lower the hoist line or lines when
performing which functions: ---------CORRECT 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 ---------
CORRECT ANSWER-----------------Cable cutter
| All Questions and Correct Answers | Verified
Answers | Graded A+
Which one of the following wire ropes should not be used in mulit-part reeving
because it rapidly deteriorates usually internally with repeated bending? ---------
CORRECT ANSWER-----------------19x7
To determine how may cubic feet are in an object you must: ---------CORRECT
ANSWER-----------------Multiply by the length by the width by the height
For a truck crane to maintain a margin of safety against tipping backwards: ---------
CORRECT 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? ---------CORRECT ANSWER--
---------------Pendant line
Working radius is defined as the distance from the: ---------CORRECT 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? ---------CORRECT ANSWER-----------------6''
As you boom down the leverage of the load on the crane will ---------CORRECT
ANSWER-----------------Increase
One of the most severe effects of being out of level is: ---------CORRECT ANSWER--
---------------Side load develops in the boom
When Anti-two block device is activated what crane function will NOT work? ------
---CORRECT ANSWER-----------------Boom down
What is required of the operator if the load weight is not accurately known? -------
--CORRECT 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: ---------CORRECT ANSWER-----------------Radius
What does two blocking mean ---------CORRECT ANSWER-----------------When the
load handling device make contact with the upper sheaves
, Us multi part reeving with the load block when: ---------CORRECT ANSWER-----------
------the line pull is less than the load
What effect does rapid hoist acceleration have on the crane? ---------CORRECT
ANSWER-----------------Produces hook loads greater than the actual load
It is not recommended to use slings below_____ angles? ---------CORRECT
ANSWER-----------------30 degree
To prevents two-blocking the operator must lower the hoist line or lines when
performing which functions: ---------CORRECT 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 ---------
CORRECT ANSWER-----------------Cable cutter
