CSCS High-Risk Activities 4

Question 1

What is the minimum height at which OSHA requires fall protection for general construction workers?

Accepted Answer

6 feet

Answer

OSHA 29 CFR 1926.502 requires fall protection for construction workers when working at heights of 6 feet or more above a lower level.

Question 2

Which of the following is a leading indicator of risk on a demolition project?

Accepted Answer

Presence of unidentified structures not on the demolition plan

Answer

Unidentified structural elements pose unpredictable collapse hazards; identifying them before demolition begins is a critical proactive risk control.

Question 3

What does a Safety Data Sheet (SDS) Section 4 cover for a hazardous substance used in construction?

Accepted Answer

First aid measures

Answer

Section 4 of an SDS is dedicated to first aid measures, describing actions to take if a worker is exposed to the substance.

Question 4

A worker is instructed to enter a manhole with no ventilation equipment available. What should the worker do?

Accepted Answer

Refuse entry and report the lack of adequate controls to a supervisor

Answer

Entering a confined space without proper atmospheric testing and ventilation is life-threatening; workers have the right and responsibility to refuse unsafe work.

Question 5

What is the purpose of exclusion zones during crane operations?

Accepted Answer

To prevent unauthorized personnel from entering the area of potential load drop or crane failure

Answer

Exclusion zones protect workers from the risk of a dropped load, rope failure, or crane collapse during lifting operations.

CSCS - Construction Skills Certification Scheme Practice Test

CSCS - Construction Skills Certification Scheme Practice Test

CSCS High-Risk Activities 4