Saskatchewan Air Brake Practice Questions - Saskatchewan Air Brake (Endorsement A) Exam

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If the compressor governor is set or sticks so that its cut-out pressure is higher than the safety valve's blow-off setting, what will happen?

The compressor will simply stop pumping earlier to protect the tanks The safety valve will repeatedly blow off air, signalling a governor problem that must be repaired The low air warning light will come on at 60 psi The air dryer will stop purging moisture entirely

Correct Answer:

The safety valve will repeatedly blow off air, signalling a governor problem that must be repaired

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