On a diode, the terminal represented by a T-shaped symbol is the ____.
A. anode
B. cathode
C. gate
D. trigger
Answer: B
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Which type of actuator uses an electromagnetic plunger to open and close a passage or move a linkage?
A) Transistor B) Relay C) LED D) Solenoid
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A variable-air-volume system changes the amount of air the fan delivers in order to:
A) Keep the equipment operating at capacity. B) Bypass the supply air. C) Deliver the maximum air allowed by the fan. D) Match the zone requirements.
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Hidden costs of accidents are usually equal to the visual costs covered by insurance
Indicate whether the statement is true or false
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The ____ of a Schmitt trigger is the region below the negative- and positive-going thresholds.
A. sensitivity B. hysteresis C. resolution
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