When the Cylinders Are Deactivated on a Displacement on Demand

question 10

Multiple Choice

When the cylinders are deactivated on a displacement on demand system, _____.

• A) half of the cylinders continue to fire normally
• B) oil pressure to the hydraulic lifters is increased, pumping up the lifters
• C) both the intake and exhaust valves of the deactivated cylinders are held open
• D) the injectors continue to fire, but because the manifold vacuum is so low, no fuel flows into the combustion chamber

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Definitions:

Economic Behavior

The study of how individuals make decisions to allocate resources under conditions of scarcity.

Selfishness

A trait characterized by concern with one's own interests, often disregarding others' well-being or desires.

Utility

The satisfaction or benefit that a consumer receives from consuming a good or service.

Pleasure

A feeling of happiness or satisfaction derived from experiencing or consuming something.