CHST FREE Construction Health and Safety Technician MCQ Questions and Answers 5

Question 1

Under OSHA's cranes and derricks standard (29 CFR 1926.1408), what is the minimum required clearance distance from energized power lines up to 50 kV when no encroachment prevention measures are in place?

Accepted Answer

10 feet

Answer

OSHA requires a minimum 10-foot clearance from energized power lines up to 50 kV unless the line is de-energized or an exception applies.

Question 2

The CHST exam is administered by which certifying organization?

Accepted Answer

Board of Certified Safety Professionals (BCSP)

Answer

The CHST credential is awarded and administered by the Board of Certified Safety Professionals (BCSP).

Question 3

When performing a root cause analysis after an incident, which tool is BEST suited for systematically identifying contributing causes by asking 'why' repeatedly?

Accepted Answer

5 Whys technique

Answer

The 5 Whys technique involves asking 'why' up to five times to drill down from the symptom of a problem to its root cause.

Question 4

According to OSHA's respiratory protection standard (29 CFR 1910.134), a fit test is required:

Accepted Answer

Annually for tight-fitting respirators and whenever the worker reports a change affecting fit

Answer

OSHA requires fit testing annually and whenever the worker reports a facial change (weight loss/gain, dental work, scarring) that could affect the seal.

Question 5

Which safety principle does the phrase 'Heinrich's Triangle' (or Safety Triangle) represent?

Accepted Answer

For every fatality there are a predictable number of minor injuries and near-misses at lower levels

Answer

Heinrich's Triangle illustrates that for each serious injury there are many minor injuries and an even greater number of near-misses, suggesting near-miss control prevents major injuries.

CHST - Construction Health and Safety Technician Practice Test

CHST - Construction Health and Safety Technician Practice Test

CHST FREE Construction Health and Safety Technician MCQ Questions and Answers 5