A ground-fault protective device consists of a ground-fault sensor and a ____.

A. relay
B. circuit breaker
C. transformer
D. fuse


Answer: A

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During active delivery a customer is considering scheduling more work in the future. To help the customer, the service consultant might_________

A. Share a picture of the concern to help the customer understand B. Show the customer the concern found by the technician if possible C. Both A and B are correct D. Neither A nor B are correct

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We often see a lumber grade stamp with an "S-P-F" mark, implying that the lumber species may be Spruce, Pine, or Fir. "Hem-Fir" mark is another example of combining two or more species?Hemlock and Fir. What is the reason for combining different species into one group?

What will be an ideal response?

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On distributor ignition systems, ____________________ pressure can cause oil to migrate up the distributor shaft and into the distributor.

Fill in the blank(s) with the appropriate word(s).

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The type of schematic diagram used to describe motor-control circuitry is often referred to as a ladder diagram or ____ ladder logic.

a. internal b. motor c. control d. relay

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