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

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Why does water accumulation in the air tanks reduce the total volume of air available for braking, and what is the thermodynamic result on system pressure recovery?

Water molecules destroy the compressor's air filter Water is incompressible and takes up tank volume, causing the compressor to cycle more frequently and causing pressure to drop faster during applications Water increases the density of the air, raising cut-out pressure to dangerous levels Water causes the desiccant inside the air dryer to expand and block all airflow

Correct Answer:

Water is incompressible and takes up tank volume, causing the compressor to cycle more frequently and causing pressure to drop faster during applications

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