2026 Updated Practice Exam | 50 Actual Most
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1. A technician is verifying lockout/tagout procedures before servicing
equipment. What is the PRIMARY purpose of lockout/tagout?
A. Increase productivity
B. Prevent accidental energization
C. Improve workflow efficiency
D. Reduce maintenance costs
Answer: B ✔
Lockout/tagout ensures hazardous energy control, preventing unexpected
startup that could cause injury.
2. A worker observes frayed electrical wiring on a job site. What is the BEST
immediate action?
A. Continue working carefully
B. Tape the wire temporarily
C. Report and isolate the hazard
D. Ignore if voltage is low
Answer: C ✔
Reporting and isolating addresses electrical hazard mitigation and
prevents injury.
3. Which type of fire extinguisher is used for electrical fires?
A. Class A
B. Class B
C. Class C
, D. Class D
Answer: C ✔
Class C extinguishers are designed for energized electrical equipment fires.
4. PPE is required when handling hazardous chemicals. What does PPE stand
for?
A. Personal Protection Equipment
B. Personal Protective Equipment
C. Professional Protection Equipment
D. Primary Protective Equipment
Answer: B ✔
PPE refers to Personal Protective Equipment, essential for minimizing
exposure risks.
5. A confined space requires atmospheric testing. What is tested FIRST?
A. Toxic gases
B. Oxygen levels
C. Flammable gases
D. Temperature
Answer: B ✔
Testing oxygen concentration first ensures the environment supports life.
6. What is the OSHA permissible exposure limit (PEL) primarily used for?
A. Determining wages
B. Limiting chemical exposure
C. Scheduling shifts
D. Equipment maintenance
Answer: B ✔
PEL defines maximum safe exposure levels to hazardous substances.
7. A worker slips due to oil on the floor. What hazard category is this?
A. Chemical
B. Biological
C. Physical