Practice Questions And Correct Answers
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,Question 1
crawler cranes are named for their slow moving tracks called crawler frames or
Correct Answer
tread members
Question 2
what are the two main standards that cover mobile cranes?
Correct Answer
Osha 1926.1400, Asme 1330.5
Question 3
crane with rotating controls cranes with
Correct Answer
Question 4
what are the 3 basic types of cranes
Correct Answer
mobile, tower, and overhead
Question 5
the distinct feature of mobile crane is that they are
Correct Answer
equipped with a form of self propulsion
Question 6
the first concern if the operator should always be?
Correct Answer
safety
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, Question 7
the mobile crane operator certification program offered by NCCER has been
accredited by.
Correct Answer
ANSI
Question 8
per Osha requirements a crane operators certification is valid for
Correct Answer
5 years
Question 9
true or false certified operators must take only the written assessment again
every five years to retain there certification.
Correct Answer
F
Question 10
whenever the operator has doubts as to the safety of the lift they should , and
report to the who can address concerns and restart the lift.
Correct Answer
Stop, Lift Director.
**Question 1: Under OSHA 1926.1400, what is the minimum age requirement for
a crane operator in New York State?**
A. 16 years
B. 18 years
C. 21 years
D. 25 years
**CORRECT ANSWER: B. 18 years**
Rationale: OSHA 1926.1427(f)(1) requires crane operators to be at least 18 years
old. New York State adopts OSHA standards and does not have a higher age
requirement for crane operation. This ensures operators have the maturity and
legal capacity to handle heavy equipment safely.
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, **Question 2: Which document provides the maximum allowable load for a
crane at various boom lengths, radii, and configurations?**
A. Operator's manual
B. Load chart
C. Maintenance log
D. Daily inspection report
**CORRECT ANSWER: B. Load chart**
Rationale: The load chart is the primary reference for determining a crane's
capacity under specific conditions (boom length, radius, configuration,
outrigger position). It is legally required to be posted in the cab and must be
consulted before every lift. The operator's manual contains general information;
maintenance logs and inspection reports track equipment condition.
**Question 3: Calculate the rated capacity of a crane at a 50-foot radius if the
load chart shows 10,000 lbs at 45 feet and 8,000 lbs at 55 feet, using linear
interpolation.**
A. 8,500 lbs
B. 9,000 lbs
C. 9,500 lbs
D. 10,000 lbs
**CORRECT ANSWER: B. 9,000 lbs**
Rationale: Linear interpolation: Capacity at 50 ft = Capacity at 45 ft - [(50-
45)/(55-45) × (Capacity at 45 ft - Capacity at 55 ft)] = 10,000 - [(5/10) ×
(10,000-8,000)] = 10,000 - (0.5 × 2,000) = 10,000 - 1,000 = 9,000 lbs. Operators
must never exceed interpolated values; always use the next lower rated capacity
if uncertain.
**Question 4: Which OSHA regulation specifically addresses crane and derrick
safety in construction?**
A. 29 CFR 1910.179
B. 29 CFR 1926.1400 (Subpart CC)
C. 29 CFR 1910.269
D. 29 CFR 1926.550 (old standard)
**CORRECT ANSWER: B. 29 CFR 1926.1400 (Subpart CC)**
Rationale: OSHA 1926.1400 (Subpart CC) is the current standard for crane and
derrick safety in construction, effective November 2010. It replaced the old
1926.550 standard. 1910.179 covers overhead and gantry cranes in general
industry; 1910.269 covers electric power generation.
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