CBSB LEVEL 3 CERTIFICATION EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS) Q &
A 2026 |INSTANT DOWNLOAD PDF
1. What is the primary purpose of safety signs in the
workplace?
A. Decoration
B. Communication of hazards
C. Increasing speed
D. Reducing workload
Rationale: Safety signs warn and guide workers.
Correct answer: B
2. Which gas is most commonly used in fire extinguishers?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen
Rationale: CO₂ displaces oxygen and stops fire.
Correct answer: B
3. What does PPE stand for?
,A. Personal Production Equipment
B. Protective Primary Equipment
C. Personal Protective Equipment
D. Public Protective Elements
Rationale: PPE refers to safety gear.
Correct answer: C
4. Which hand tool is used for tightening bolts?
A. Hammer
B. Spanner
C. Drill
D. Saw
Rationale: Spanners are used for bolts.
Correct answer: B
5. What is the main hazard of electricity?
A. Noise
B. Shock
C. Heat only
D. Color change
Rationale: Electricity can cause shock.
Correct answer: B
6. Which of the following is a renewable energy source?
,A. Coal
B. Solar
C. Diesel
D. Petrol
Rationale: Solar energy is renewable.
Correct answer: B
7. First aid is given to:
A. Cure disease
B. Replace doctor
C. Save life before hospital care
D. Diagnose illness
Rationale: First aid is immediate help.
Correct answer: C
8. Which tool is used for measuring length?
A. Thermometer
B. Ruler
C. Compass
D. Barometer
Rationale: Rulers measure length.
Correct answer: B
9. What is corrosion?
, A. Painting metal
B. Rusting of metal
C. Heating metal
D. Cutting metal
Rationale: Corrosion is rusting.
Correct answer: B
10. What is the SI unit of force?
A. Watt
B. Joule
C. Newton
D. Pascal
Rationale: Force is measured in Newtons.
Correct answer: C
11. Which of the following is a personal hygiene practice?
A. Washing hands
B. Wearing gloves only
C. Using machines
D. Driving
Rationale: Hand washing improves hygiene.
Correct answer: A
12. What is a hazard?
AND CORRECT ANSWERS (VERIFIED ANSWERS) Q &
A 2026 |INSTANT DOWNLOAD PDF
1. What is the primary purpose of safety signs in the
workplace?
A. Decoration
B. Communication of hazards
C. Increasing speed
D. Reducing workload
Rationale: Safety signs warn and guide workers.
Correct answer: B
2. Which gas is most commonly used in fire extinguishers?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen
Rationale: CO₂ displaces oxygen and stops fire.
Correct answer: B
3. What does PPE stand for?
,A. Personal Production Equipment
B. Protective Primary Equipment
C. Personal Protective Equipment
D. Public Protective Elements
Rationale: PPE refers to safety gear.
Correct answer: C
4. Which hand tool is used for tightening bolts?
A. Hammer
B. Spanner
C. Drill
D. Saw
Rationale: Spanners are used for bolts.
Correct answer: B
5. What is the main hazard of electricity?
A. Noise
B. Shock
C. Heat only
D. Color change
Rationale: Electricity can cause shock.
Correct answer: B
6. Which of the following is a renewable energy source?
,A. Coal
B. Solar
C. Diesel
D. Petrol
Rationale: Solar energy is renewable.
Correct answer: B
7. First aid is given to:
A. Cure disease
B. Replace doctor
C. Save life before hospital care
D. Diagnose illness
Rationale: First aid is immediate help.
Correct answer: C
8. Which tool is used for measuring length?
A. Thermometer
B. Ruler
C. Compass
D. Barometer
Rationale: Rulers measure length.
Correct answer: B
9. What is corrosion?
, A. Painting metal
B. Rusting of metal
C. Heating metal
D. Cutting metal
Rationale: Corrosion is rusting.
Correct answer: B
10. What is the SI unit of force?
A. Watt
B. Joule
C. Newton
D. Pascal
Rationale: Force is measured in Newtons.
Correct answer: C
11. Which of the following is a personal hygiene practice?
A. Washing hands
B. Wearing gloves only
C. Using machines
D. Driving
Rationale: Hand washing improves hygiene.
Correct answer: A
12. What is a hazard?
