Which of the Following Enables a More Efficient Engine Operation

question 26

Multiple Choice

Which of the following enables a more efficient engine operation at the cost of more complexity through the use of expensive exhaust system catalysts?

• A)Exhaust aftertreatment"
• B)Electronic fuel injection"
• C)Electronic control module
• D) Exhaust backpressure control valve

---

Definitions:

Acidic Secretions

Fluids produced by cells or glands that contain a high concentration of acid, like stomach acid, aiding in digestion and other processes.

Carbohydrate-Digesting Enzyme

Enzymes that catalyze the breakdown of carbohydrates into simple sugars, facilitating their absorption and utilization by the body.

Pancreatic Amylase

An enzyme produced by the pancreas that breaks down starches into sugars during digestion.

Salivary Amylase

An enzyme found in saliva that begins the process of starch digestion by breaking down complex carbohydrates into simpler sugars.