Technician A says that the type of antifreeze can always be determined by its color. Technician B says that both PG and EG should be mixed with distilled water in order to maximize its service life. Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct because both Propylene Glycol (PG) and Ethylene Glycol (EG) antifreezes should be mixed with distilled water to prevent mineral deposits and maximize service life. Technician A is incorrect because antifreeze color is not a reliable indicator of its type, as different manufacturers may use different colors for the same type of antifreeze.

Technician a Says That the Type of Antifreeze Can Always