ASVAB Practice Test

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Prepare for the ASVAB exam with quizzes designed to improve your skills. Use flashcards and multiple choice questions, each providing hints and explanations. Get ready to succeed!

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Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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Coolant flow through an engine is regulated by the?

  1. fan

  2. filter

  3. pump

  4. thermostat

The correct answer is: thermostat

The fan, filter, and pump may all play a role in the functioning of an engine, but they are not directly responsible for regulating coolant flow. The fan helps with air circulation to keep the engine cool, the filter removes impurities from the coolant, and the pump helps circulate the coolant. The thermostat, however, is responsible for regulating the flow of coolant by opening and closing to maintain the optimal temperature for the engine. Therefore, the thermostat is the correct answer for this question.

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