PO Safety & Hazard Management

Question 1

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

Accepted Answer

To identify and control hazards before a task begins

Answer

To assign blame after accidents

Answer

To document employee performance

Answer

To schedule maintenance windows

Question 2

Which type of fire extinguisher is appropriate for a Class B fire involving flammable liquids?

Accepted Answer

Class B or BC dry chemical extinguisher

Answer

Class A water extinguisher

Answer

Class C CO2 extinguisher only

Answer

Class D extinguisher

Question 3

When must a process operator don a Self-Contained Breathing Apparatus (SCBA)?

Accepted Answer

When entering an atmosphere that is or may be IDLH

Answer

Only during scheduled drills

Answer

When working outdoors on hot days

Answer

During routine sampling only

Question 4

What does the term 'hierarchy of controls' mean in industrial safety?

Accepted Answer

A ranked framework for controlling hazards from most to least effective

Answer

The chain of command for reporting safety incidents

Answer

OSHA's inspection priority list

Answer

The order in which PPE should be donned

Question 5

A process operator notices a strong odor of H2S in the unit. What is the correct FIRST action?

Accepted Answer

Don appropriate respiratory protection and activate the alarm

Answer

Continue working and report at shift end

Answer

Open all vent valves immediately

Answer

Wait for confirmation from a supervisor

Question 6

Which safety device automatically shuts down a pump when the discharge pressure exceeds its set point?

Accepted Answer

High-pressure shutdown switch (PSH)

Answer

Pressure relief valve

Answer

Check valve

Answer

Control valve