Troubleshooting 8 or more simultaneous digital signals is usually accomplished with a(n)
A) digital voltmeter. B) spectrum analyzer.
C) logic analyzer. D) oscilloscope.
C
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Heat distortion is a greater problem for cuts on ________________.
A. thin metal B. thicker metal C. out of position metal sections D. thicker aluminum plates
To check for ripple voltage from the alternator, connect a digital multimeter (DMM) and select _________
A) AC volts B) DC amps C) AC amps D) DC volts
One unique property of waterproof membranes is their ability to seal around ____, which makes them a particularly effective underlayment on roofs below 3:12.
A. seams B. nails C. corners D. edges
When troubleshooting a residential air conditioning system, the technician notices the condenser fan motor operating, but the compressor is not. What is the most likely cause?
A. high-voltage circuit breaker for condensing unit is tripped B. high-pressure switch is open C. defective compressor D. defective contactor