Machine Guarding

First published: September 2, 2026Last verified: September 4, 2026Reviewed by the CertQuestUSA team

TL;DR

Machine Guarding: a 100-question practice bank for the real OSHA Safety & Health standard, 5 full papers of 20 questions each with no repeats, every question citing the real regulation it comes from.

Where these questions come from

Every question in this bank cites a real source -- primarily 29 CFR (100%) of this exam's citations.

Not sure where you stand? Take the free diagnostic — 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.

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5

full papers, no repeats

20

questions per paper

100

questions in the bank

What this exam covers

Anchoring Fixed Machinery5%
Nip Points, Rotating Parts, and Flying Debris15%
General Machine Guarding Requirements15%
Methods and Types of Guarding15%
Point of Operation Guarding25%
Point of Operation Guard Design15%
Revolving Drums, Barrels, and Containers10%

5 real sample questions

What is the overall purpose of 29 CFR 1910.212, the machine guarding standard?

A. To require replacement of all machines older than ten years

B. To protect operators and other employees from hazards such as those created by the point of operation, ingoing nip points, rotating parts, and flying chips and sparks

C. To require that all machines be operated only at night when fewer employees are present

D. To require every machine to be inspected by the fire department before use

Source: 29 CFR 1910.212(a)(1)

Under the general requirements for machine guards, where should a guard be attached whenever possible?

A. To the machine itself

B. To the ceiling above the machine

C. To an adjacent, unrelated piece of equipment

D. To the employee's workstation chair

Source: 29 CFR 1910.212(a)(2)

A machine guard, by design, must not:

A. Be made of metal

B. Itself create an additional hazard, such as a new pinch point or sharp edge

C. Be removable for maintenance

D. Cost more than the machine it protects

Source: 29 CFR 1910.212(a)(2)

Which of the following is listed in the standard as an example of a machine guarding method?

A. Posting a warning sign near the machine with no physical barrier

B. Barrier guards, two-hand tripping devices, and electronic safety devices

C. Requiring employees to wear gloves at all times regardless of the hazard

D. Relying solely on verbal reminders from a supervisor

Source: 29 CFR 1910.212(a)(1)

A two-hand tripping device is a guarding method that works by:

A. Requiring the operator to activate two separate controls simultaneously, keeping both hands out of the danger zone while the machine cycles

B. Allowing the operator to run the machine using only one hand while the other rests on the material

C. Automatically shutting off the machine at the end of each shift

D. Sounding an alarm without stopping or preventing machine motion

Source: 29 CFR 1910.212(a)(1)

Real-world data for this exam

Machine Guarding: General Requirements for All Machines2023-01-01–2026-07-309,852 citations Abrasive Wheel Machinery2023-01-01–2026-07-303,157 citations

Frequently asked questions

How many questions are on the CertQuestUSA Machine Guarding practice test?

100 questions total, split into 5 full papers of 20 each with no repeats across papers.

What topics does the Machine Guarding test cover?

7 domains, with the heaviest weight on Point of Operation Guarding (25%), Nip Points, Rotating Parts, and Flying Debris (15%), and General Machine Guarding Requirements (15%).

Where do CertQuestUSA's Machine Guarding questions come from?

Primarily 29 CFR (100%) of this bank's citations -- computed directly from this exam's own question sources, not a generic description.

Is there a free diagnostic for Machine Guarding?

Yes -- 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.