What is the hertz rating of an AC circuit if the frequency is 20 cycles per 1/2 second?
a. 10Hz
b. 20Hz
c. 30Hz
d. 40Hz
d
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____ inspection is a method for detecting flaws inside weldments.
A. Magnetic particle B. Penetrant C. Visual D. Radiographic
When large DC motors require controlled steps of acceleration, a series of resistors connected to lockout relays provide the means for ____ motor acceleration.
a. smooth and uniform b. quick c. slow d. only slight
The preferred method to clear diagnostic trouble codes (DTCs) is to ________
A) Disconnect the negative battery cable for 10 seconds B) Use a scan tool C) Cycle the ignition key on and off 40 times D) Remove the computer (PCM) Power feed fuse
An antenna is a transducer that converts energy from electrical form to _____________ form and vice versa
A. magnetic B. electromagnetic C. radiated D. polarized