Equipment Questions and Correct Answers. 100% Accurate!!!
A voltmeter is used to measure the value of a circuit's ____.
Electromotive force
A closed circuit is indicated by an ohmmeter reading of ______.
Zero
A meter that operates by sensing the strength of the electromagnetic field around
the wire is a(n) ______.
Clamp-on ammeter
Current measurement in milliamps are typically read using a(n) _____.
VOM
An expected resistance of 1,000,000 ohms would be measured using a ______.
Megohmmeter
Which category rating covers installation that present the lowest risk?
CAT I
Which of the following is true with regard to meter safety?
Thoroughly inspect all test equipment before each use.
CAT I (Overvoltage Category)
Electronic equipment and circuitry
CAT II (Overvoltage Category)
Single-phase loads such as small appliance tools, outlets at more than 30 feet from a
CAT III source or 60 feet from a CAT IV source
CAT III (Overvoltage Category)
Three-phase motors, single-phase commercial or industrial lighting, switchgear, busduct
and feeders in industrial plants.
CAT IV (Overvoltage Category)
Three-phase power at meter, service-entrance, or utility connection, any outdoor
conductors, including signs, a pump, or exterior power generation (solar, wind, etc.).
Which of the following is true regarding analog meters?
Analog meters rely on a moving-coil meter movement.