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1. Which of the following devices is also called an insulation resistance tester?

Megger®

VOM

Multimeter

Phase tester

Question 1 of 15

2. Which of the following are used with ammeters to increase their range for current measurement?

Magnets

Clips

Shunt resistors

Current-limiting resistors

Question 2 of 15

3. What is the lowest acceptable overvoltage category rating for a multimeter that will be used to test small appliances?

CAT III

CAT I

CAT IV

CAT II

Question 3 of 15

4. What is the lowest acceptable overvoltage category rating for an ammeter that will be used to test industrial lighting and outdoor conductors?

CAT IV

CAT III

CAT II

CAT I

Question 4 of 15

5. What instrument is used to take readings at specified intervals for later review?

Multimeter

Data logger

Clamp-on ammeter

Voltmeter

Question 5 of 15

6. Another name for a VOM is a(n) ________.

ammeter

current meter

voltmeter

multimeter

Question 6 of 15

7. Which meter can measure current without having to make contact with uninsulated wires?

Continuity tester

Voltage tester

Clamp-on ammeter

Ohmmeter

Question 7 of 15

8. Most digital ohmmeters have an audible tone to indicate a closed or low-resistance circuit, making them useful for performing ________.

voltage tests

polarity tests

frequency tests

continuity tests

Question 8 of 15

9. The typical applied megohmmeter voltage in 600V class systems is ________.

150 to 300V

500 to 1,000V

1,000 to 1,500V

300 to 500V

Question 9 of 15

10. Before using a voltage tester, check to make sure it is functioning correctly by ________.

grounding the leads

connecting it to a known energized source

checking it with a multimeter

touching the leads together

Question 10 of 15

11. What is the lowest acceptable overvoltage category rating for a voltage tester that will be used to test electronic equipment and circuitry?

CAT IV

CAT II

CAT III

CAT I

Question 11 of 15

12. Which instrument should be used to verify that there is power available to run a three-phase motor that will not start?

Megger®

Voltage tester

Clamp-on ammeter

Ohmmeter

Question 12 of 15

13. Which of the following is true of digital meters?

They are easier to read than analog meters.

They are faster than analog meters.

They are more accurate than analog meters.

They are easier to connect to the circuit than analog meters.

Question 13 of 15

14. Which of the following devices measures ohms, amps, and volts?

Phase tester

Multimeter

Ammeter

Megohmmeter

Question 14 of 15

15. Certified meters are marked as to their category rating on the ________.

title page of the operating instructions

meter housing

meter leads

back plate of the meter

Question 15 of 15

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