On some leading trailing shoe brake systems the shoes can be reversed because doing so will not affect braking.
Answer the following statement true (T) or false (F)
True
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A ____ is an electrical device that either raises or lowers the voltage of electricity.
A. breaker B. fuse C. switch D. transformer
If a large gear (input) is driving a small gear (driven or output), a speed increase occurs because the large gear takes less than one revolution to rotate the driven (small) gear one revolution. This type of gear ratio is referred to as an overdrive.
Answer the following statement true (T) or false (F)
Any exposed live parts must be guarded if they are operating at _____
a. 15V or more between terminals b. 50V or more between terminals c. 240V or more between terminals d. 600V or more between terminals
Name and discuss in some detail three process/ machine considerations when injection molding a whisker-reinforced part. Think about the fiber length, the small clearances between the nozzle and part, flow through the part, type of resin (i.e. thermoplastic vs. thermoset), Screw speed, etc are some of the considerations that could be discussed somewhere in their answer. Define symmetry and balance
as they relate to composite lay-ups, and give examples of having one but not both qualities. What will happen to the part if both are not met? What will be an ideal response?