What must you attach to a protractor to use it to measure altitude angle?
What will be an ideal response?
You must attach a plumb line (a string with a weight on the end) to the hole in the middle of the protractor and allow it to hang freely. The altitude angle will be the difference between the plumb line and the 90° mark on the protractor.
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How long can power be retained in the high voltage system once it has been disabled?
A) 4 hours B) 10 minutes C) 90 seconds D) None of these
A command signal, sometimes called the ____ or reference signal, is programmed into the DC drive and sets the desired operating speed of a DC motor.
A. steady state B. target C. set point D. encoder
Technician A says vacuum bleeding can be done by a single technician. Technician B says vacuum bleeding may draw air into the system past the bleeder valve. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Which type of wrench goes entirely around a nut or bold head?
A. Box-end B. Gear C. Open-end D. Socket