EQUIPMENT EXAM | QUESTIONS AND ANSWERS | VERIFIED
ANSWERS GRADED A+ | LATEST EXAM
A voltmeter is used to measure the value of a circuit's ____. - CORRECT
ANSWER - Electromotive force
A closed circuit is indicated by an ohmmeter reading of ______. - CORRECT
ANSWER - Zero
A meter that operates by sensing the strength of the electromagnetic field
around the wire is a(n) ______. - CORRECT ANSWER - Clamp-on ammeter
Current measurement in milliamps are typically read using a(n) _____. -
CORRECT ANSWER - VOM
An expected resistance of 1,000,000 ohms would be measured using a ______. -
CORRECT ANSWER - Megohmmeter
Which category rating covers installation that present the lowest risk? -
CORRECT ANSWER - CAT I
Which of the following is true with regard to meter safety? - CORRECT
ANSWER - Thoroughly inspect all test equipment before each use.
CAT I (Overvoltage Category) - CORRECT ANSWER - Electronic equipment
and circuitry
, CAT II (Overvoltage Category) - CORRECT ANSWER - 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) - CORRECT ANSWER - Three-phase
motors, single-phase commercial or industrial lighting, switchgear, busduct and
feeders in industrial plants.
CAT IV (Overvoltage Category) - CORRECT ANSWER - 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? - CORRECT
ANSWER - Analog meters rely on a moving-coil meter movement.
A voltmeter is used to test _____. - CORRECT ANSWER - Exact voltages
In order to ensure safety, before measuring low voltages, you should first test
for _____. - CORRECT ANSWER - Higher voltages
An ammeter is used to measure ____. - CORRECT ANSWER - Current
Clamp-on ammeters operate by _______. - CORRECT ANSWER - Sensing
the strength of the electromagnetic field around the wire
A meter with applied voltages of 500v or 1,000v is a(n) _____. - CORRECT
ANSWER - Megohmmeter
A motor rotation testers _____. - CORRECT ANSWER - Is used to identify
the motor legs