Multiple Choice
During engine warm-up, when the thermostat is closed, _____.
A) coolant flows through the radiator
B) coolant flows through the bypass passage
C) both "coolant flows through the radiator" and "coolant flows through the bypass passage"
D) neither "coolant flows through the radiator" nor "coolant flows through the bypass passage"
Correct Answer:

Verified
Correct Answer:
Verified
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