Calculate the first five harmonics of 60 Hz
What will be an ideal response?
The fundamental (1st harmonic) is 60 Hz; the second harmonic is 120 Hz, the third harmonic is 180 Hz, the fourth harmonic is 240 Hz; the fifth harmonic is 300 Hz.
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What will be an ideal response?
The distance from the end of the pipe to the center of the fitting is called the _____.
a. run b. specifications c. pitch d. takeout
Four tools that are needed to properly prepare and thread steel pipe are the ____________________, ____________________, ____________________, and ____________________.
Fill in the blank(s) with the appropriate word(s).
ASE-Style Multiple Choice While having a discussion, Technician A says that car manufacturers are required by federal regulations to equip cars with bumpers that can withstand 5 mph (8 km/h) collisions without incurring damage to the vehicle. Technician B says that the federal standards have been relaxed to 2.5 mph (4 km/h). Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B