Referenced to OSHA 29 CFR 1926 Subpart CC and NCCCO program pages

NCCCO Mobile Crane Core Practice Test

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Free crane operator questions on ground conditions, power line clearances, inspections, wire rope, signals and personnel hoisting. Every answer quotes its source.

Last updated · 177 original questions in this pool · Trade Exam Hub Editorial Team

Adaptive Practice Test

15–20 Questions Drawn From 177

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How This Practice Test Works

These are original questions written by our editorial team from the published OSHA 1926 Subpart CC. They are not real exam questions. Questions follow the eCFR text of 29 CFR 1926 Subpart CC and NCCCO program pages. They do not cover ASME B30.5 or manufacturer load charts.

What the Question Pool Covers

Every question cites the rule behind its answer. Counting those references shows where the pool puts its weight:

ReferenceQuestions
NCCCO16
29 CFR 1926.1413(a)11
29 CFR 1926.14019
29 CFR 1926.1412(d)8
29 CFR 1926.1408 Table A5
29 CFR 1926.1408(g)5
29 CFR 1926.1417(q)5
29 CFR 1926.1408(b)4
29 CFR 1926.1416(d)4
29 CFR 1926.1416(e)4
29 CFR 1926.14314
29 CFR 1926.1424(a)3
29 CFR 1926.1415(a)3
29 CFR 1926.1417(o)3
29 CFR 1926.1431(e)3
29 CFR 1926.1402(a)2
29 CFR 1926.1402(b)2
29 CFR 1926.1402(c)2
29 CFR 1926.1404(a)2
29 CFR 1926.1408(a)2
29 CFR 1926.1411(b)2
29 CFR 1926.1431(n)2
29 CFR 1926.1425(c)2
29 CFR 1926.1426(a)2
29 CFR 1926.1412(e)2
29 CFR 1926.1412(f)2
29 CFR 1926.1417(c)2
29 CFR 1926.1417(s)2
29 CFR 1926.1419(a)2
29 CFR 1926.1419(c)2
29 CFR 1926.1431(c)2
29 CFR 1926.1431(d)2
29 CFR 1926.1423(b)2
29 CFR 1926.1427(a)2
29 CFR 1926.1427(c)2
29 CFR 1926.1402(d)1
29 CFR 1926.1402(e)1
29 CFR 1926.1404(d)1
29 CFR 1926.1404(f)1
29 CFR 1926.1407(a)1
29 CFR 1926.1408(c)1
29 CFR 1926.1408(e)1
29 CFR 1926.14101
29 CFR 1926.1424(b)1
29 CFR 1926.1425(b)1
29 CFR 1926.1425(d)1
29 CFR 1926.1425(e)1
29 CFR 1926.1425(a)1
29 CFR 1926.1412(c)1
29 CFR 1926.1412(b)1
29 CFR 1926.1417(t)1
29 CFR 1926.1415(b)1
29 CFR 1926.1417(k)1
29 CFR 1926.1417(d)1
29 CFR 1926.1417(e)1
29 CFR 1926.1417(g)1
29 CFR 1926.1417(h)1
29 CFR 1926.1417(j)1
29 CFR 1926.1417(n)1
29 CFR 1926.1417(r)1
29 CFR 1926.1417(u)1
29 CFR 1926.1417(v)1
29 CFR 1926.1417(y)1
29 CFR 1926.1417(aa)1
29 CFR 1926.14181
29 CFR 1926.1419(b)1
29 CFR 1926.1419(f)1
29 CFR 1926.1419(h)1
29 CFR 1926.1419(k)1
29 CFR 1926.1419(m)1
29 CFR 1926.1420(a)1
29 CFR 1926.1420(b)1
29 CFR 1926.1421(b)1
29 CFR 1926.14221
29 CFR 1926.1428(a)1
29 CFR 1926.1431(a)1
29 CFR 1926.1431(h)1
29 CFR 1926.1432(a)1
29 CFR 1926.1432(b)1
29 CFR 1926.1423(e)1
29 CFR 1926.1423(c)1
29 CFR 1926.1427(b)1
29 CFR 1926.1427(d)1
29 CFR 1926.1427(f)1
29 CFR 1926.1430(c)1

Sample Questions With Worked Answers

A few questions from the pool with the answer and explanation, so you can see the style before you start.

  1. Under 29 CFR 1926.1402, what does "ground conditions" mean?

    Answer: The ability of the ground to support the equipment, including slope, compaction and firmness. Source text: ““Ground conditions” means the ability of the ground to support the equipment (including slope, compaction, and firmness)…”

    Reference: 29 CFR 1926.1402(a)

  2. Which item is listed by OSHA as a supporting material?

    Answer: Cribbing. Blocking, mats, cribbing and marsh buggies are all named. Source text: ““Supporting materials” means blocking, mats, cribbing, marsh buggies (in marshes/wetlands), or similar supporting materials or devices…”

    Reference: 29 CFR 1926.1402(a)

  3. Before equipment is assembled or used, ground conditions must be:

    Answer: Firm, drained and graded enough to meet the manufacturer's support and level specifications. Source text: “The equipment must not be assembled or used unless ground conditions are firm, drained, and graded to a sufficient extent…”

    Reference: 29 CFR 1926.1402(b)

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