Technician A says that an analog scope can store the waveform for viewing later. Technician B says that the trigger level has to be set on most scopes to be able to view a changing waveform. Which technician is correct?
A) Technician A
B) Technician B
C) Both technicians
D) Neither technician
Ans: B) Technician B
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Which of the following is a step in the typical lockout/tagout procedure for a compressor?
A. Depressurize the compressor. B. Use an inert gas to purge the compressor case of air. C. Place ancillary lubricating and seal oil systems into operation. D. Drain the compressor’s case or cylinders to remove any liquid.
What type of smog is created primarily by the burning of heavy fossil fuels such as coal and heavy oils?
A. photosynthetic B. ozone C. sulfur dioxide D. particulate matter
Most French Huguenots were followers of
a. Martin Luther. b. Huldrych Zwingli. c. John Calvin. d. Menno Simon.
The ratio of the change of output voltage to a corresponding change of input voltage, expressed as a percentage, is called
A) input regulation B) voltage regulation C) line regulation D) load regulation