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Name _______________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1. Which of the following devices measures ohms, amps, and volts? a. Multimeter b. Phase tester c. Ammeter d. Megohmmeter 2. Which of the following devices is also called an insulation resistance tester? a. Multimeter b. Phase tester c. VOM d. Megger® 3. Which instrument should be used to verify that there is power available to run a three-phase motor that will not start? a. Clamp-on ammeter b. Megger® c. Ohmmeter d. Voltage tester 4. Which meter can measure current without having to make contact with uninsulated wires? a. Clamp-on ammeter b. Ohmmeter c. Continuity tester d. Voltage tester 5. What is the lowest acceptable overvoltage category rating for a voltage tester that will be used to test electronic equipment and circuitry? a. CAT I b. CAT II c. CAT III d. CAT IV 6. Another name for a VOM is a(n) _____. a. ammeter b. multimeter c. voltmeter d. current meter 7. What is the lowest acceptable overvoltage category rating for a multimeter that will be used to test small appliances? a. CAT I b. CAT II c. CAT III d. CAT IV 8. Which of the following is true of digital meters? a. They are more accurate than analog meters. b. They are faster than analog meters. c. They are easier to connect to the circuit than analog meters. d. They are easier to read than analog meters. 9. Certified meters are marked as to their category rating on the _____. a. meter leads b. meter housing c. back plate of the meter d. title page of the operating instructions 10. Most digital ohmmeters have an audible tone to indicate a closed or low-resistance circuit, making them useful for performing _____. a. continuity tests b. polarity tests c. voltage tests d. frequency tests 11. What is the lowest acceptable overvoltage category rating for an ammeter that will be used to test industrial lighting and outdoor conductors? a. CAT I b. CAT II c. CAT III d. CAT IV 12. Before using a voltage tester, check to make sure it is functioning correctly by _____. a. touching the leads together b. connecting it to a known energized source c. grounding the leads d. checking it with a multimeter 13. The typical applied megohmmeter voltage in 600V class systems is _____. a. 150 to 300V b. 300 to 500V c. 500 to 1,000V d. 1,000 to 1,500V 14. What instrument is used to take readings at specified intervals for later review? a. Clamp-on ammeter b. Multimeter c. Data logger d. Voltmeter 15. Which of the following are used with ammeters to increase their range for current measurement? a. Current-limiting resistors b. Shunt resistors c. Clips d. Magnets