OSHA 510 LATEST 2026 STUDY EXAM GUIDE
QUESTIONS AND ANSWERS SURE A+
✔✔Define "Type B" soil. - ✔✔(i) Cohesive soil with an unconfined compressive strength
greater than (0.5 tsf but less than 1.5 tsf).
✔✔True or False: A masonry wall must be braced when it reaches 6 feet in height? -
✔✔False -
1926.706(b)
(All masonry walls over eight feet in height shall be adequately braced to prevent
overturning) and to prevent collapse unless the wall is adequately supported so that it
will not overturn or collapse. The bracing shall remain in place until permanent
supporting elements of the structure are in place.
✔✔True or False: On temporary stairs, handrails must have a minimum clearance of 4
inches? - ✔✔False -
1926.1052(c)(11)
Handrails that will not be a permanent part of the structure being built shall have a
(minimum clearance of 3 inches between the handrail and walls).
✔✔What are the requirements for a "limited access zone" for masonry construction? -
✔✔1926.706(a)
Equal to the height plus 4 feet.
, ✔✔What is the max intended load for self-supporting portable ladders? -
✔✔1926.1053(a)(1)(i)
4 times the maximum intended load.
✔✔True or False: During Steel Erection, controlled decking zone can be used as fall
protection up to a maximum height of 50 feet? - ✔✔False - 1926.760(c)
Up to 30 feet
✔✔In accordance with (IAW) subpart P, appendix B, figure B-1, when performing short-
term excavations, what is the sloped ratio, duration limit, and depth limit when
excavating Type A soil? - ✔✔Simple slope excavations which are open (24 hours or
less (short term) and which are 12 feet or less in depth shall have a maximum allowable
slope of ½:1).
✔✔When must portable ladders be removed from service? - ✔✔1926.1053(b)(16)
Immediately with any kind of defect and shall be marked in a manner that readily
identifies them as defective, or be tagged with "Do Not Use" or similar language, and
shall be withdrawn from service until repaired.
✔✔When is cross bracing on a scaffold acceptable as a midrail? -
✔✔1926.451(g)(4)(xv)
Crossbracing is acceptable in place of a midrail when the crossing point of two braces is
between (20 inches and 30 inches)
✔✔True or False: Material handling rigging equipment only needs to be inspected once
daily? - ✔✔False -
1926.251(a)(1)
Rigging equipment for material handling shall be inspected (prior to use on each shift
and as necessary) during its use to ensure that it is safe. Defective rigging equipment
shall be removed from service.
✔✔Who has the authority to stop crane operations? - ✔✔Whenever there is a concern
as to safety, the (operator) must have the authority to stop and refuse to handle loads
until a qualified person has determined that safety has been assured.
✔✔IAW 1926.1419, during operations when is the operator required to safely stop
operations? - ✔✔1926.1419(f)
During operations requiring signals, the ability to transmit signals between the operator
and signal person must be maintained. If that ability is interrupted at any time, the
operator must safely stop operations requiring signals until it is reestablished and a
proper signal is given and understood.
✔✔Who is responsible for training crane signal personnel? - ✔✔1926.1430(b)
QUESTIONS AND ANSWERS SURE A+
✔✔Define "Type B" soil. - ✔✔(i) Cohesive soil with an unconfined compressive strength
greater than (0.5 tsf but less than 1.5 tsf).
✔✔True or False: A masonry wall must be braced when it reaches 6 feet in height? -
✔✔False -
1926.706(b)
(All masonry walls over eight feet in height shall be adequately braced to prevent
overturning) and to prevent collapse unless the wall is adequately supported so that it
will not overturn or collapse. The bracing shall remain in place until permanent
supporting elements of the structure are in place.
✔✔True or False: On temporary stairs, handrails must have a minimum clearance of 4
inches? - ✔✔False -
1926.1052(c)(11)
Handrails that will not be a permanent part of the structure being built shall have a
(minimum clearance of 3 inches between the handrail and walls).
✔✔What are the requirements for a "limited access zone" for masonry construction? -
✔✔1926.706(a)
Equal to the height plus 4 feet.
, ✔✔What is the max intended load for self-supporting portable ladders? -
✔✔1926.1053(a)(1)(i)
4 times the maximum intended load.
✔✔True or False: During Steel Erection, controlled decking zone can be used as fall
protection up to a maximum height of 50 feet? - ✔✔False - 1926.760(c)
Up to 30 feet
✔✔In accordance with (IAW) subpart P, appendix B, figure B-1, when performing short-
term excavations, what is the sloped ratio, duration limit, and depth limit when
excavating Type A soil? - ✔✔Simple slope excavations which are open (24 hours or
less (short term) and which are 12 feet or less in depth shall have a maximum allowable
slope of ½:1).
✔✔When must portable ladders be removed from service? - ✔✔1926.1053(b)(16)
Immediately with any kind of defect and shall be marked in a manner that readily
identifies them as defective, or be tagged with "Do Not Use" or similar language, and
shall be withdrawn from service until repaired.
✔✔When is cross bracing on a scaffold acceptable as a midrail? -
✔✔1926.451(g)(4)(xv)
Crossbracing is acceptable in place of a midrail when the crossing point of two braces is
between (20 inches and 30 inches)
✔✔True or False: Material handling rigging equipment only needs to be inspected once
daily? - ✔✔False -
1926.251(a)(1)
Rigging equipment for material handling shall be inspected (prior to use on each shift
and as necessary) during its use to ensure that it is safe. Defective rigging equipment
shall be removed from service.
✔✔Who has the authority to stop crane operations? - ✔✔Whenever there is a concern
as to safety, the (operator) must have the authority to stop and refuse to handle loads
until a qualified person has determined that safety has been assured.
✔✔IAW 1926.1419, during operations when is the operator required to safely stop
operations? - ✔✔1926.1419(f)
During operations requiring signals, the ability to transmit signals between the operator
and signal person must be maintained. If that ability is interrupted at any time, the
operator must safely stop operations requiring signals until it is reestablished and a
proper signal is given and understood.
✔✔Who is responsible for training crane signal personnel? - ✔✔1926.1430(b)
