On an Unmodified Engine, Intake Manifold Vacuum Above 15" Can

question 22

True/False

On an unmodified engine, intake manifold vacuum above 15" can indicate a mechanical problem.

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Definitions:

Inspiratory Reserve Volume

Inspiratory Reserve Volume is the additional amount of air that can be inhaled after a normal inhalation, contributing to the total lung capacity.

Tidal Volume

The volume of air inhaled or exhaled in a normal breath at rest.

Residual Volume

Residual volume is the amount of air remaining in the lungs after a forceful expiration, ensuring that the lungs do not collapse.

Bell Jar

A piece of laboratory equipment resembling a bell, typically made of glass, used to create vacuums or to contain gases.