Final answer:
The correct option is c. In most cases, if you fail a Chief Engineers exam, you will have to wait 90 days before retaking the test. After failing a Chief Engineers exam, the standard waiting period before a retake is permitted is typically 90 days.
Step-by-step explanation:
If you were to fail a Chief Engineers exam, the amount of time you would need to wait before you can retake the test again depends on the specific regulations and policies of the governing body or organization that administers the exam. However, in most cases, the waiting period is typically 90 days (option c).
This gives the candidate enough time to review and prepare for the exam before attempting it again. if you fail a Chief Engineers exam, you will have to wait 90 days before retaking the test. After failing a Chief Engineers exam, the standard waiting period before a retake is permitted is typically 90 days.