A liquid that kills or retards bacterial growth is a/an:
What will be an ideal response?
Antiseptic
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What are the three classes of brasses and how are they used?
What will be an ideal response?
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Which of the following is true of a lead acid battery?
A. produces DC chemically B. produces AC chemically C. induces DC D. induces AC
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Technician A says that a relay is an electromagnetic switch. Technician B says that a solenoid uses a movable core. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
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A transistor can ________
A) Switch on and off B) Amplify C) Throttle D) All of the above
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