Technician a Says That Some Multivalve Heads Use Control Valves

question 25

Multiple Choice

Technician A says that some multivalve heads use control valves that cause only one intake valve to open at low rpm and another to open at higher rpm. Technician B says that other multivalve heads use two intake manifold runners per cylinder. Who is correct?

• A) A only
• B) B only
• C) Both A and B
• D) Neither A nor B

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Definitions:

Ethylene

Ethylene is a colorless gas hormone in plants, regulating various aspects of growth, ripening, and response to stress conditions.

Cellulase

Cellulase is an enzyme complex that breaks down cellulose, transforming it into beta-glucose, thus playing a crucial role in the digestion of plant material in both natural ecosystems and industrial processes.

Hydrolyze

To chemically break down a compound into smaller molecules by reacting with water.

Cellulose

A complex carbohydrate that forms the primary structural component of plant cell walls and is indigestible to humans.