OSHA 510 Final Test Construction Industry
Questions With Correct Answers | Graded A+
Wiring Design and Protection: 1926.404 (b)(1) (iii) - ✔✔a. Assured equipment grounding conductor
program. The employer should establish and implement an assured equipment grounding conductor
program on construction sites covering all cord sets, receptacles which are not a part of the building or
structure, and equipment connected by cord and plug which are available.
KEY POINT - USE GFCI's (ground fault circuit interrupters)
Guarding of Live Parts - ✔✔a. Live parts 50 volts or greater must be guarded by:
i. Location in a room or enclosure accessible only to qualified persons (electricians)
ii. Partitions or screens with access only to qualified persons.
iii. Location on balcony or platform that excludes unqualified persons access.
iv. Elevation of 8 ft or more above floor or working surface.
, General Requirements for tools - ✔✔a. All tools must be kept in safe working condition regardless of
whether provided by employer or employee
b. Guards must be provided to protect employees from hazardous moving parts.
KEY POINT - Guards
Subpart V - ✔✔a. If the work / operations are repetitive and similar, a job briefing must be held
before the start of each day or shift.
KEY POINT- repetitive operations
ARC Welding & Cutting - ✔✔a. Whenever practical, noncombustible welding shields are to be used to
protect other employees from direct rays of the ARC.
KEY POINT - Rays need to be shielded.
Portable Firefighting Equipment: (fire extinguishers) - ✔✔Travel distance not to exceed 100 feet.
Bonding - ✔✔When you connect 2 metal objects together to prevent sparks.
Type A Soil - ✔✔Can be sloped at ½:1 if the excavation is open less than 24 hours and less than 12
ft deep.
Type B Soil - ✔✔Cohesive soil, with an unconfined compressive strength of greater than 0.5 but
less than 1.5 tons per square feet. (tsf)
KEY POINT- TSF Range greater than 0.5 less than 1.5
Duties of the Scaffold Competent person - ✔✔A competent person is required to supervise the
erection, modification, and disassembly of scaffolds
Fall Protection- Scaffold - ✔✔Crossbraces may be used as a toprail or midrail, but not as both.
Chutes - ✔✔Chutes at an angle of more than 45 degree from the horizontal must be entirely
enclosed except for openings equipped with closures at floor level for the insertion of materials.
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