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

[altibaby]

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?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B

[jessofishing]

Both technicians A and B

[altibaby]

Thanks for the timely response, appreciate it

[bitingbit]

Gracias!