Cooling systems are being discussed. Technician A says that removing the radiator cap should only be done when the engine is cold. Technician B says that most cooling systems are filled with a mix of 50/50 antifreeze to water. 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, as removing the radiator cap when the engine is hot can cause pressurized hot coolant to spray out and burn. Technician B is also correct, as the typical recommended ratio for antifreeze to water in a cooling system is 50/50.

Cooling Systems Are Being Discussed