NCCCO Mobile Crane 50 Updated Actual
Exam Question and Answer (2026/2027) |
Grade A+
1. A wire rope that is a 6x19 classification could have how many wires per strand?
-✓✓ 15 through 26 wires per strand
2. How often should a synthetic web sling be inspected? -✓✓ Each day before use
3. Which considerations should be given to suspend lifting operations with a
mobile crane? -✓✓ Winds in excess of 35 mph
4. What is the term that best describes surface wear on a wire rope sling to rubbing
or sliding? -✓✓ Abrasion
5. Which of the following defects discovered during an inspection would cause for
removing a wire rope sling from service? -✓✓ Ten broken wires in one lay
6. According to OSHA, each day before being used, all rigging hardware and
slings shall be inspected for damage or defects by a? -✓✓ Competent person
7. When the hoist line is not vertical what type of dynamic force is being
introduced to the crane? -✓✓ Side pull
8. What is the term used to describe the ultimate or maximum load that a sling fails
at ? -✓✓ Breaking strength
9. A non-shouldered eyebolt is primarily designed for lifting in which plane ? -✓✓
Vertical
10. According to ASME B30.9, (Slings) what is the maximum width of an object
that can be placed in the eye of a wire rope sling? -✓✓ 1/2 the length
11. What is the term used to describe a sudden or unplanned loading of the crane
when raising or lowering a load that will increase the stress on rigging and the
load? -✓✓ Shock loading
, 12. What formula is used to determine the sling length when you only know the
hook height and the distance from the center of gravity to the pick point? -✓✓
A2+B2=C2 look at paper
13. What is the approximate weight of one cubic foot of steel ? -✓✓ 480 pounds
(lbs)
14. Which type of sling is required to have permanent affixed identification tag
stating size, grade, rated capacity for hitch type that can be used? -✓✓ Alloy steel
chain sling
15. Where would you measure to check the diameter of wire rope? -✓✓ Across the
crowns
16. How is the working load limit of slings determined? -✓✓ Divide the breaking
strength by the design factor
17. What is the formula used to find volume of a rectangle? -✓✓ Length x height x
width
18. The tag on a synthetic web sling shall have what required information on it ? -
✓✓ Name of manufacturer
Rated load for each hitch type
and type of material
19. One leg of a four leg alloy steel chain sling is longer than the other three; this is
possible indication of what type of damage ? -✓✓ The leg has been over loaded
20. Using a cheater pipe on a chain hoist come along what will it give you ? -✓✓
More leverage
21. What type of hitches provides maximum contact between the sling and the
load? -✓✓ Double wrap choker/ double wrap basket
22. According to 29CFR1910.184, polypropylene web slings shall not be used at
temperatures in excess of ? -✓✓ 200 degrees
Exam Question and Answer (2026/2027) |
Grade A+
1. A wire rope that is a 6x19 classification could have how many wires per strand?
-✓✓ 15 through 26 wires per strand
2. How often should a synthetic web sling be inspected? -✓✓ Each day before use
3. Which considerations should be given to suspend lifting operations with a
mobile crane? -✓✓ Winds in excess of 35 mph
4. What is the term that best describes surface wear on a wire rope sling to rubbing
or sliding? -✓✓ Abrasion
5. Which of the following defects discovered during an inspection would cause for
removing a wire rope sling from service? -✓✓ Ten broken wires in one lay
6. According to OSHA, each day before being used, all rigging hardware and
slings shall be inspected for damage or defects by a? -✓✓ Competent person
7. When the hoist line is not vertical what type of dynamic force is being
introduced to the crane? -✓✓ Side pull
8. What is the term used to describe the ultimate or maximum load that a sling fails
at ? -✓✓ Breaking strength
9. A non-shouldered eyebolt is primarily designed for lifting in which plane ? -✓✓
Vertical
10. According to ASME B30.9, (Slings) what is the maximum width of an object
that can be placed in the eye of a wire rope sling? -✓✓ 1/2 the length
11. What is the term used to describe a sudden or unplanned loading of the crane
when raising or lowering a load that will increase the stress on rigging and the
load? -✓✓ Shock loading
, 12. What formula is used to determine the sling length when you only know the
hook height and the distance from the center of gravity to the pick point? -✓✓
A2+B2=C2 look at paper
13. What is the approximate weight of one cubic foot of steel ? -✓✓ 480 pounds
(lbs)
14. Which type of sling is required to have permanent affixed identification tag
stating size, grade, rated capacity for hitch type that can be used? -✓✓ Alloy steel
chain sling
15. Where would you measure to check the diameter of wire rope? -✓✓ Across the
crowns
16. How is the working load limit of slings determined? -✓✓ Divide the breaking
strength by the design factor
17. What is the formula used to find volume of a rectangle? -✓✓ Length x height x
width
18. The tag on a synthetic web sling shall have what required information on it ? -
✓✓ Name of manufacturer
Rated load for each hitch type
and type of material
19. One leg of a four leg alloy steel chain sling is longer than the other three; this is
possible indication of what type of damage ? -✓✓ The leg has been over loaded
20. Using a cheater pipe on a chain hoist come along what will it give you ? -✓✓
More leverage
21. What type of hitches provides maximum contact between the sling and the
load? -✓✓ Double wrap choker/ double wrap basket
22. According to 29CFR1910.184, polypropylene web slings shall not be used at
temperatures in excess of ? -✓✓ 200 degrees
