NSC Workplace Safety 2

Question 1

Which type of fire extinguisher is appropriate for electrical equipment fires (Class C)?

Accepted Answer

CO2 or dry chemical extinguisher

Answer

CO2 and dry chemical extinguishers are safe for Class C (electrical) fires because they are non-conductive.

Question 2

What does the acronym 'OSHA' stand for?

Accepted Answer

Occupational Safety and Health Administration

Answer

OSHA stands for Occupational Safety and Health Administration, the federal agency that enforces workplace safety standards.

Question 3

A worker must enter a confined space with limited openings that may contain hazardous atmospheres. What is required?

Accepted Answer

Confined space entry permit

Answer

A confined space entry permit is required before entering permit-required confined spaces to document safety precautions.

Question 4

What is the primary purpose of a Job Hazard Analysis (JHA)?

Accepted Answer

To identify and control hazards before work begins

Answer

A JHA breaks each job into steps to identify potential hazards and determine appropriate controls before work is performed.

Question 5

OSHA requires employers with more than how many employees to maintain the OSHA 300 injury and illness log?

Accepted Answer

10

Answer

Employers with more than 10 employees in most industries must maintain OSHA 300 records of work-related injuries and illnesses.

NSC Practice Test