Ultrasonic sensors detect the level of a medium by measuring the time lapse between the ____________________ and ____________________ of the sound waves.
Fill in the blank(s) with the appropriate word(s).
transmission, detection
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Technician A says that a reference ground is really no different than chassis ground. Technician B says that the reference ground for each electronic module on a truck are typically all connected together to reduce electromagnetic interference. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
____________________ cause distortion of the voltage and current AC waveforms.
Fill in the blank(s) with the appropriate word(s).
A(n) ____ weld is the most common out-of-position weld that a welder is required to perform.
A. overhead B. trailing C. horizontal D. vertical
Which of the following are advantages of using secondary submodulation of solenoids?
A. heat in the solenoid coil is minimized B. solenoid performance is more consistent during operating variables C. both A and B D. neither A nor B