MOBILE CRANE NCCER EXAM - COMPLETE QUESTIONS
AND DETAILED SOLUTIONS LATEST UPDATE THIS YEAR
JUST RELEASED
Question 1: To determine how may cubic feet are in an object you
must:
Answer:
Multiply by the length by the width by the height
Question 2: 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
Question 3: Which of the following is classified as a standing rope?
Answer:
Pendant line
Question 4: Working radius is defined as the distance from the:
Answer:
Center of rotation of the crane to the center of gravity of the load
Question 5: The dead-end of the wire rope above the wedge socket
must extend minimum of 6 times the rope diameter of?
,Answer:
6''
Question 6: As you boom down the leverage of the load on the
crane will
Answer:
Increase
Question 7: One of the most severe effects of being out of level is:
Answer:
Side load develops in the boom
Question 8: When Anti-two block device is activated what crane
function will NOT work?
Answer:
Boom down
Question 9: 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.
, Question 10: The distance from the center of rotation to the center
line of a freely suspended hoist line is known as the:
Answer:
Radius
Question 11: What does two blocking mean
Answer:
When the load handling device make contact with the upper sheaves
Question 12: Us multi part reeving with the load block when:
Answer:
the line pull is less than the load
Question 13: what effect does rapid hoist acceleration have on the
crane?
Answer:
Produces hook loads greater than the actual load
Question 14: it is not recommended to use slings below_____
angles?
Answer:
30 degree
AND DETAILED SOLUTIONS LATEST UPDATE THIS YEAR
JUST RELEASED
Question 1: To determine how may cubic feet are in an object you
must:
Answer:
Multiply by the length by the width by the height
Question 2: 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
Question 3: Which of the following is classified as a standing rope?
Answer:
Pendant line
Question 4: Working radius is defined as the distance from the:
Answer:
Center of rotation of the crane to the center of gravity of the load
Question 5: The dead-end of the wire rope above the wedge socket
must extend minimum of 6 times the rope diameter of?
,Answer:
6''
Question 6: As you boom down the leverage of the load on the
crane will
Answer:
Increase
Question 7: One of the most severe effects of being out of level is:
Answer:
Side load develops in the boom
Question 8: When Anti-two block device is activated what crane
function will NOT work?
Answer:
Boom down
Question 9: 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.
, Question 10: The distance from the center of rotation to the center
line of a freely suspended hoist line is known as the:
Answer:
Radius
Question 11: What does two blocking mean
Answer:
When the load handling device make contact with the upper sheaves
Question 12: Us multi part reeving with the load block when:
Answer:
the line pull is less than the load
Question 13: what effect does rapid hoist acceleration have on the
crane?
Answer:
Produces hook loads greater than the actual load
Question 14: it is not recommended to use slings below_____
angles?
Answer:
30 degree
