Theory Test Practice Ireland

Question 1193 · Truck theory test

How do road speed limiters work?

Pick an answer to test yourself.

Correct answer

By reducing fuel to the engine.

Official explanation

Road speed limiters receive a road speed signal from a sensor or the tachograph. They use that signal to reduce the amount of fuel to the engine.

Topic
Safe & responsible driving · Managing Speed
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This question also appears in the bus theory test.

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