The opposite terminal of a load device to which a DC sinking output module is connected is wired to the __________ of an external power supply.
A. positive
B. negative
Answer: A
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Describe the safety issues associated with carbon monoxide.
What will be an ideal response?
Which of the following is true of the neutral in a grounded system?
a. It precludes utilization of power at line-to-neutral voltage. b. It prevents the current carrying conductor from carrying an unbalanced load. c. It supersedes the operation of overcurrent devices. d. It provides a low-impedance return path for the flow of fault current to the source.
What is the modulus of elasticity of a material whose stress-strain relationship is a vertical straight line? Name the material with such a stress-strain relationship.
What will be an ideal response?
Before using, vacuum gauges using electronic transducers must be:
A) Calibrated to 0 microns. B) Electronic vacuum transducers are extremely accurate and do not require calibration. C) Calibrated to the number on the vacuum transducer. D) Calibrated to atmospheric pressure.