1. To confirm there’s a closed path in a control circuit, an industrial troubleshooter might employ a
A. chance approach.
B. scale.
C. random approach.
D. continuity tester.


2. When troubleshooting a complex process-control system, mechanical tasks, such as opening or closing
valves, or adjusting flow, level, or pressure controls, should only be attempted by the
A. system operator.
B. maintenance supervisor.
C. electrical troubleshooter.
D. plant manager.


3. A positioning robot in an industrial painting process isn’t completing its typical range of motion, though
the robot’s programming hasn’t been modified. A troubleshooter familiar with the robot’s normal behavior
is called in to evaluate the problem. One of the first thngs he does is compare the current operation with
the normal operation. This is an example of a _______ approach to troubleshooting.
A. historical
B. planned
C. process
D. documented


4. The level of _______ transferred to a person is what can be fatal in an electrical-shock accident.
A. continuity
B. current
C. resistance
D. ground-fault

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