PiCAT Mechanical Comprehension Practice Test 2026

The purpose of an air valve in a heating system is to

move downward until it reaches the floor. It will take more time for a tooth of wheel P to make a full turn than it will for a tooth of wheel M. turn slower. relieve the air from steam radiators.

Correct Answer:

relieve the air from steam radiators.

Explanation:

Correct answer: relieve the air from steam radiators.

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