Author Question: Technician A says that spark knock, ping, and detonation are different names for abnormal ... (Read 133 times)

jc611 · **on:** Jun 23, 2018

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