Technician a Says Proper Tuning of the Exhaust Manifold Tubes

question 71

Multiple Choice

Technician A says proper tuning of the exhaust manifold tubes can create a partial vacuum that helps draw exhaust gases out of the cylinder, improving volumetric efficiency. Technician B says combined headers allow the cylinders next to each other in the firing order to be combined. This increases exhaust efficiency. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Obverses

Statements or propositions that are opposite or converse to each other, often involving a change in modality or quality while retaining the same subject and predicate.

Contrapositive

A logical statement obtained by negating and swapping the hypothesis and conclusion of a conditional statement.

Proposition

A statement or assertion that expresses a judgment or opinion; in logic, it is a declarative sentence that is either true or false.

Relationship

How two or more notions, entities, or persons have a bond between them, or the existence of such a bond.