Technician A says that spark knock, ping, and detonation are ...

[jc611]

Technician A says that spark knock, ping, and detonation are different names for abnormal combustion. Technician B says that any abnormal combustion raises the temperature and pressure inside the combustion chamber and can cause severe engine damage. Which technician is correct?
 
  A) Technician A B) Technician B C) Both technicians D) Neither technician

Question 2

All of these are hazardous waste EXCEPT ________.
 
  A) Used air filters B) Cleaning solvent
  C) Engine coolant and antifreeze D) Air-conditioning refrigerant and oils

[diesoon]

Answer to Question 1

C

Answer to Question 2

A

[jc611]

Thanks for the timely response, appreciate it

[FergA]

Wow, this really help