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NCATT AET STUDY GUID
Basic Circuit TroubleShooting
Question | Answer |
---|---|
The most versatile electrical measuring instrument used by aircraft technicians | Multimeter |
A multimeter measures | Voltage, Current and Resistance |
Each multimeter is equipped with | Voltmeter, ammeter, and ohmmeter |
What is used to find a circuit problem with power on a circuit | Voltmeter |
Where do you check when your checking for zero output | Input |
What is used to find a circuit problem with the power on a circuit | Ammeter |
Millimeter and micro ammeters are used to measure | Very Small Rates |
What is used to find a circuit problem when power is removed from the circuit | Ohmmeter |
What do ohmmeters measure | Resistance |
What measures and displays voltage in waveforms of a wave generating circuit | Oscilloscope |
What checks for the existence of a complete electrical system between two points | Continuity Check |
What two meters are used to test continuity | Voltmeter or Ohmmeter |
Where should continuity test be performed | Terminal |
How many steps are there for troubleshooting | Nine |
What are the steps of troubleshooting | Is equipment being used properly Is it ongoing Is it intermittent Does it occur during Taxi, Takeoff, Cruising or Landing Is software loaded properly Does weather have an impact |
When checking for the obvious | Any loose connections Any Broken, loose, bent or frayed wiring Inop lights Bad electrical bonds Broken or cracked parts Any punctures Component over heat Components need adjustments |
To solve the malfunction locate the possible cause by using | Troubleshooting Charts |
To find information on components or system malfunction use | Manufacturer Information |
To locate the fault through checks using | Multimeters, oscilloscope or other appropriate equipment |
What are the most common problems encountered while troubleshooting circuits | Open resistors, Open contacts or shorts between conductors |