CNG Practice Test Video Answers

1. B

High-pressure release poses the greatest danger in CNG handling.

2. C

DOT regulates transport and storage safety for CNG.

3. B

Scaffolding allows learners to connect new skills to existing knowledge.

4. C

Practical demonstration ensures skills are applied safely and effectively.

5. C

Leak detection awareness is crucial to avoid accidents.

6. A

Soap bubble solution is the standard for detecting CNG leaks.

7. C

Competency-based assessments ensure OSHA compliance.

8. B

Experiential learning aligns new training with job-specific experiences.

9. B

Relief valves prevent dangerous over-pressurization.

10. C

Simulations best reinforce emergency shut-off skills.

11. C

CNG produces fewer harmful emissions than gasoline.

12. B

Observation under real conditions verifies skill application.

13. C

Title 49 CFR regulates CNG fuel system integrity.

14. A

Role-play ensures learners practice emergency responses actively.

15. B

Lack of hands-on practice undermines technician preparedness.

16. C

External inspection is mandatory before cylinder filling.

17. B

Problem-based learning fosters deeper understanding of fueling stations.

18. B

Cylinders must be secured in ventilated spaces.

19. A

Simulations under time stress measure applied knowledge.

20. A

Coaching builds skill confidence and independence.

21. B

Check valves stop reverse flow during refueling.

22. B

Mid-training quizzes are formative assessments.

23. B

Bonding and grounding prevent ignition hazards.

24. C

Demonstration of hazards enhances engagement.

25. D

Most cylinders are filled to 80% capacity.

26. B

Immediate feedback ensures correction of mistakes.

27. B

Pressure relief devices prevent catastrophic tank failures.

28. A

Competency-based design aligns with compliance requirements.

29. B

CNG leaks can displace oxygen, creating suffocation risk.

30. A

Self-directed learning supports peer collaboration.

31. C

Cylinders are tested every 3–5 years.

32. B

Demonstrating PPE use models compliance.

33. A

Performance improvement validates training success.

34. B

3,600 psi is standard for vehicle tanks.

35. B

Step-back coaching develops independent problem-solving.

36. B

Regulators reduce storage pressure for safe engine use.

37. B

Hands-on inspections confirm ability to detect defects.