The magnetic field can be induced in a pipe by passing a high-amperage, low-voltage current through it using a set of _____.?
?
A. magnets?
B. electrodes?
C. probes?
D. penetrants?
Answer: C
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Features such as _____ cannot be shown clearly on an elevation view.
A. stairs B. floor heights C. foundation and footings D. interior walls
Research and write a report of approximately 250 words describing the correct procedure for scaling a drawing using your CADD system. Prepare a PowerPoint presentation of your research and present the slide show to your class or office.
Follow the specific instructions to complete each problem. What will be an ideal response?
Which of the following pull stations require the user to lift a cover or open a door before operating the pull station?
a. Single-action b. Glass-break c. Double-action d. Key-operated
What is the amperage of a 1,200-watt heater on a 120-volt circuit? Use the formula W = VA.
What will be an ideal response?