Hemispherical combustion chambers are being discussed. Technician A says the flame path from the spark plug to the piston head is short, which provides efficient burning. Technician B says cross-flow arrangement of the inlet and exhaust valves allows for a relatively free flow of gases in and out of the chamber. Who is correct?
A) A only
B) B only
C) both A and B
D) neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because the hemispherical shape allows for a short flame path, leading to efficient combustion. Technician B is also correct because the cross-flow arrangement in hemispherical chambers facilitates better gas exchange.

Hemispherical Combustion Chambers Are Being Discussed