A Variable Displacement Engine Changes Effective Displacement by ________

question 14

Multiple Choice

A variable displacement engine changes effective displacement by ________.

• A) deactivating cylinders
• B) blocking the intake manifold
• C) changing manifold length
• D) changing piston stroke

---

Definitions:

Specific Gravity

A measure of the density of a substance compared to the density of water, indicating its concentration.

Perineal Area

The region of the body between the pubic symphysis and coccyx in both sexes, including the external genitals and rectum.

Tracheostomy

A surgical procedure to create an opening through the neck into the trachea (windpipe) to provide an airway or remove secretions.

Suction Catheter

A medical device used to remove bodily secretions from a person's airway to keep it clear and prevent blockage.