____ are useful for holding parts square and steady during layout operations.
A) Surface plates
B) Rule holders
C) Surface gages
D) Angle plates

Question

Quizplus · Accepted Answer

Angle plates are specifically designed to hold parts at a precise right angle, making them ideal for layout operations where squareness and rigidity are critical. Surface plates are also useful for layout work, but they are primarily designed for measuring and checking the flatness of parts. Rule holders and surface gages are more commonly used for measuring and marking, rather than holding parts in place.

____ Are Useful for Holding Parts Square and Steady During