Technician A says that "blowby" consists of gases that leak past the valves. Technician B says that blowby reduces the pressure in the crankcase. Who is right?
A)Technician A only
B)Technician B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Blowby actually consists of gases that leak past the piston rings into the crankcase, not past the valves as Technician A suggests. Additionally, blowby increases pressure in the crankcase rather than reducing it, contrary to Technician B's statement.

Technician a Says That "Blowby" Consists of Gases That Leak