Technician A says that most digital and analog (needle-type) dash gauges use variable resistance sensors. Technician B says that permanent-magnet (PM) generators produce an AC signal and are used for vehicle speed and wheel speed sensors. Who is right?
A) A only B) B only C) Both A and B D) Neither A nor B
C
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A test consists of 15 questions. Ten are true-false questions, and five are multiple-choice questions that have four choices each. A student must select an answer for each question. In how many ways can this be done?
What will be an ideal response?
High- and low-pressure safety switches are installed in _____.
a. series in the compressor’s control circuit b. series in the compressor’s common conductor c. parallel with the compressor’s contactor d. series with a current-sensing loop
Straight and swivel are the two types of _____.
a. cable grips b. clevises c. conduit pistons d. fish lines
Which of the following type of adhesives is a specialized foaming adhesive that expands slightly when curing into a foam?
A) Polyvinyl acetate B) Polyurethane glue C) Yellow wood glue D) Epoxy