The Polymerization Reaction Shrinkage of Acrylics Approaches _____ Vol

question 9

Multiple Choice

The polymerization reaction shrinkage of acrylics approaches _____ vol %.

• A) 1
• B) 3
• C) 6
• D) 12

---

Definitions:

Spalled Tooth Surfaces

A condition where the surface of gear teeth becomes pitted or flaked off, usually due to fatigue, excessive loading, or material defects.

Spigot Bearing

A bearing located at the rear of the crankshaft, providing support for the input shaft of the transmission.

Differential Carrier Assembly

The housing that holds the differential gears, pinion bearings, and other components, acting as the main support structure within the differential of a vehicle.

Crown Gear

A circular gear with cogs or teeth set at right angles to its plane, often used in differential drives.