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Questions and Answers
What does the blue section of the NFPA 704 Diamond represent with respect to safety considerations?
How should the jaw of a crimp tool be positioned in reference to the seam of the crimp connector?
When a CEA standard color code compliant wiring harness adapter has a solid orange wire (no stripes), what does that wire represent?
What are the 3 MECP recommended steps to troubleshooting noise problems?
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According to the MECP Basic Installation Technician Study Guide, recommended practice for installation of a GPS antenna is using which one of the conditions listed?
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What setting of the DMM is used to determine the various values of each key switch position in a low current (MUX) ignition circuit?
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What is the correct formula for finding voltage using Ohm's Law?
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What is the primary source of power for the electrical system and any electrical accessories while the engine is running in a combustion engine vehicle?
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What setting should a DMM be set to measure when measuring audio output level of an amplifier at the speaker terminals?
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When two 4 ohm loads are connected in parallel, what happens to the total resistance?
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Study Notes
NFPA 704 Diamond
- The blue section of the NFPA 704 Diamond represents health hazards or safety considerations.
Crimp Tool Positioning
- The jaw of a crimp tool should be positioned perpendicular to the seam of the crimp connector.
CEA Standard Color Code
- A solid orange wire (no stripes) in a CEA standard color code compliant wiring harness adapter represents illumination or function wires.
Troubleshooting Noise Problems
- The 3 MECP recommended steps to troubleshooting noise problems are:
- Identify the source of the noise
- Isolate the noise
- Eliminate the noise
GPS Antenna Installation
- According to the MECP Basic Installation Technician Study Guide, the recommended practice for installation of a GPS antenna is to install it in a location that provides an unobstructed view of the horizon.
DMM Settings
- The Ohms (Ω) setting of a DMM is used to determine the various values of each key switch position in a low current (MUX) ignition circuit.
Ohm's Law
- The correct formula for finding voltage using Ohm's Law is V=I×R, where V is voltage, I is current, and R is resistance.
Primary Source of Power
- The primary source of power for the electrical system and any electrical accessories while the engine is running in a combustion engine vehicle is the alternator.
Measuring Audio Output Level
- A DMM should be set to AC Volts (VAC) to measure the audio output level of an amplifier at the speaker terminals.
Parallel Resistance
- When two 4 ohm loads are connected in parallel, the total resistance decreases to 2 ohms.
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Description
Test your knowledge of electrical power, voltage measurements, Ohm's Law, and resistance calculations with this quiz. Explore questions related to power consumption, voltage measurements, formula for finding voltage, and behavior of inductors near high current vehicle wiring.
