Technician A says the thermostat is incorporated into the cooling system to control the temperature in the vehicle cabin. Technician B says the ratio for coolant should be two parts water to one part coolant. Who is correct?
A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

The thermostat controls the engine's operating temperature, not the cabin temperature. The typical coolant to water ratio is usually one part coolant to one part water, not two parts water to one part coolant.

Technician a Says the Thermostat Is Incorporated into the Cooling