Elaborate on the third step in effective troubleshooting.
What will be an ideal response?
Step three is to troubleshoot the circuit to find out what is wrong with the circuit that it will not work properly, then determine what has to be done. Electronics technicians use their eyesight to look for trouble. If a component receives excess current, it may split open or char. Technicians also smell for burnt insulations from components that receive excess current such as transformers, coils, or components with insulated leads. They listen for sounds such as a snap, crackle, or pop that indicate loose wires, bridged connections, or frying components. They touch components to determine if they are running hot or cold. An electronics technician's senses of sight, smell, hearing, and touch are only a beginning. To solve more difficult problems, meters and oscilloscopes are used once the problem is located in a specific part of the circuit. Use this data to isolate and repair the defect(s).
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Fill in the blank(s) with the appropriate word(s).
With laser cutting, the part that is being cut ____.
A. must be electrically conductive B. may not be made of glass, quartz, or plastic C. need not be electrically conductive D. must be made of glass, quartz, or plastic
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A) Technician A B) Technician B C) Both technicians D) Neither technician
Water pumps ________
A) Are driven by the engine crankshaft or camshaft B) Only work at idle and low speeds and are disengaged at higher speeds C) Use engine oil as a lubricant and coolant D) Disengage during freezing weather to prevent radiator failure