Compressed Natural Gas Vehicle Test
Prepare for the ASE F1 Alternate Fuels Certification with our comprehensive practice test. This assessment is designed to evaluate your proficiency in diagnosing, servicing, and repairing compressed natural gas (CNG) vehicles.
Results
Passed.
Answers:
1. check with the system manufacturer for warranty
2. non-ammonia soap
3. A failure to open the manual lock-down valve(s)
4. Remove the cylinder from service
5. recurved timing
Did not pass, manual linked below. 😉
Answers:
1. check with the system manufacturer for warranty
2. non-ammonia soap
3. A failure to open the manual lock-down valve(s)
4. Remove the cylinder from service
5. recurved timing
#1. An EPA-certified CNG system has failed emissions due to a failure of a high cost system component. The best first step in repair should be to:
check with the system manufacturer for warranty is correct
#2. Which of these should be used to check the fuel line connections after a compressed natural gas conversion?
non-ammonia soap is correct
#3. After installing a new CNG fuel tank, the technician finds that the vehicle will not accept fuel. Which of these could be the cause?
A failure to open the manual lock-down valve(s) is correct
#4. A hoop-wrapped Type-2 cylinder shows evidence of stress corrosion cracking. What should the technician do?
Remove the cylinder from service is correct
#5. A dedicated CNG vehicle has a no-start condition. All of these could be the cause EXCEPT:
recurved timing is correct
By completing these practice questions, you’ll enhance your understanding and readiness for the official ASE F1 examination.
Current tech’s have to retest every 5 years to keep their certification up to date, that official test is called the F1R.
Reference:
This is not an official test. Use it for entertainment purposes only.