What is the purpose of checking the air pressure governor cut-out during a pre-trip inspection?

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Multiple choice — select the best answer

ATo test the air conditioning system
BTo check for fuel efficiency
CTo ensure the air system maintains proper pressure for safe brake operation
DTo verify the engine will shut down properly

✓ Correct answer: C. To ensure the air system maintains proper pressure for safe brake operation Checking the governor cut-out ensures the air system properly maintains pressure within safe operating ranges, which is crucial for brake function.

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