What speeds up warm-up, when the engine is below its normal operating temperature, by blocking coolant flow from the engine to the radiator?
A)Thermostat"
B)Radiator"
C)Water pump
D)Surge tank"

Question

Quizplus · Accepted Answer

The thermostat regulates the engine's temperature by blocking coolant flow to the radiator until the engine reaches its normal operating temperature, thus speeding up the warm-up process.

What Speeds Up Warm-Up, When the Engine Is Below Its