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UNIT 33 REVIEW QUESTIONS ANSWER KEY GO BACK TO INDEX
33-1) What are the three test instruments that can be used to verify no voltage is
present in a de-energized circuit before beginning work?
33-2) Which Standards reference the personal protection gear required for electrical
work?
33-3) How should meter test leads be connected for testing a circuit?
33-4) Explain the terms range, resolution, and accuracy as they relate to meters.
Range – tells how low and how high a reading the meter will provide for each
33-5) What is a transient voltage?
33-6) Where are transient voltages most dangerous?
33-7) What are the lowest CAT and highest CAT ratings for meters?
33-8) What could happen to an analog meter if too high a voltage is tested?
33-9) Why have some digital meters added an analog sliding scale?
33-10) What part of an analog scale gives the most accurate reading?
33-11) List 3 advantages of digital meters.
They are direct reading. There is no need to interpret the scale.
33-12) What do volt meters test?
33-13) What can a volt meter show about a hidden switch?
33-14) What do ammeters test?
33-15) How are clamp-on ammeters used?
33-16) What do the letters RMS stand for?
33-17) How does the voltage reading made with a true RMS meter differ from a
voltage reading taken with an RMS meter?
33-18) What can cause a non-linear power?
33-19) What does the beep indicate on some ohmmeters?
33-20) What does a wattmeter read?
33-21) What instrument can be used to solve troublesome intermittent problems?
