How is a lockout relay in a control circuit reset?
a. Press a button on the relay.
b. Automatically after system pressures equalize.
c. Interrupt control circuit power.
d. Automatically after 2 to 5 minutes.
c. Interrupt control circuit power.
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Where insulating protective equipment may be damaged, it _____.
a. requires its own protection (e.g., leather gauntlets over rubber gloves) b. may not be used c. may be used but must be discarded at the end of the shift d. may be used but must be inspected for damage daily
A low-oxygen condition, called ____________________, results in major losses of aquatic life,
including fish.
Fill in the blank(s) with the appropriate word(s).Technician A says to use synthetic grease to lubricate the backing plate. Technician B says to use special lithium-based brake grease. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
When using a computer workstation, you should keep your elbows close to your body and bent between ____ and 120 degrees.
A. 60 B. 75 C. 90 D. 105