Chapter 12 Review

Front

What is the primary purpose of threaded fasteners?

Back

To secure parts and clamp objects together

Front

Fill in the blank: The three main groups that create and monitor automotive standards are the American Society for Testing and Materials (ASTM), the International Standards Organization (ISO), and the ________.

Back

Society of Automotive Engineers (SAE)

Front

What is the length of a bolt measured from?

Back

The end of the bolt to the bottom of the head

Front

Fill in the blank: The coarseness of any thread is called the ________.

Back

Thread pitch

Front

What is tensile strength?

Back

The maximum tension a fastener can withstand without being torn apart

Front

Shear strength is the maximum load that can be supported prior to fracture when applied at a right angle to the fastener’s axis. True or False?

Back

True

Front

Proof load is an applied tensile load that the fastener must support without exceeding the ______ phase.

Back

Elastic

Front

Fatigue strength is the maximum stress a fastener can withstand for a specified number of repeated cycles before failing. Which of the following weakens the fastener over time? Constant load, Repeated cyclic loading, Sudden impact, Temperature change

Back

Repeated cyclic loading

Front

Torsional strength is usually expressed in terms of ______.

Back

Torque

Front

Ductility is indicated by the ratio of a fastener’s specified minimum yield strength to its minimum tensile strength. The lower the ratio, the more ______ the fastener.

Back

Ductile