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

Clamp-on ammeter

Voltage tester

Megger®

Ohmmeter

Question 1 of 15

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

150 to 300V

1,000 to 1,500V

300 to 500V

500 to 1,000V

Question 2 of 15

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

checking it with a multimeter

grounding the leads

connecting it to a known energized source

touching the leads together

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 I

CAT II

CAT III

Question 4 of 15

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

CAT III

CAT IV

CAT I

CAT II

Question 5 of 15

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

Megohmmeter

Ammeter

Phase tester

Multimeter

Question 6 of 15

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

Continuity tester

Ohmmeter

Voltage tester

Clamp-on ammeter

Question 7 of 15

8. 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 8 of 15

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

current meter

ammeter

voltmeter

multimeter

Question 9 of 15

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

Magnets

Current-limiting resistors

Clips

Shunt resistors

Question 10 of 15

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

Multimeter

Voltmeter

Data logger

Clamp-on ammeter

Question 11 of 15

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

CAT I

CAT II

CAT III

CAT IV

Question 12 of 15

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

voltage tests

polarity tests

continuity tests

frequency tests

Question 13 of 15

14. 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 14 of 15

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

Multimeter

VOM

Megger®

Phase tester

Question 15 of 15

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