MO VALLEY TEST 2-2 QUESTIONS AND ANSWERS
The Romans refined distance traveled to a unit of length called the ? .
a.cubit
b.foot
c.meter
d.mile - Answers -d.mile
When using a test instrument with test leads, the ? lead should be connected first.
a.energized
b.fused
c.ground
d.red - Answers -c.ground
For maximum safety, personal protective equipment and safety requirements for test
instrument procedures must be followed, as specified in ? , which is one of several
standards.
a.IEEE
b.NFPA 70E
c.OSHA Standard 1926.05
d.test instrument manufacturer's guidelines - Answers -b.NFPA 70E
The ? value of a sine wave is the maximum instantaneous value of either the positive or
negative values in the sine wave.
a.average
b.peak
c.positive
d.rms - Answers -b.peak
One advantage of voltage testers is that they have a lower impedance (resistance) and
draw more current than voltage indicators, which allows them to be used for testing ? .
a.insulation
b.job order motors
c.job order wiring
d.GFCIs - Answers -d.GFCIs
An ohmmeter is used to measure the ?
a.amperage
b.direction of voltage flow
, c.resistance
d.voltage - Answers -c.resistance
? leakage current is current that flows from areas on conductors where insulation has
been removed to allow electrical connections.
a.Capacitive
b.Conductive
c.Surface
d.Terminal - Answers -c.Surface
Many test instruments include a ? in the current-measuring circuit to prevent damage
caused by excessive current.
a.bypass
b.circuit breaker
c.fuse
d.relay - Answers -c.fuse
When a 3-phase current unbalance exceeds ? , a test for voltage unbalance should be
performed.
a.3%
b.10%
c.20%
d.30% - Answers -b.10%
Most digital multimeter displays include a(n) ? to show changes and trends in a circuit.
a.analog scale
b.bar graph
c.diode test mode
d.MIN MAX mode - Answers -b.bar graph
Voltage measurements using the ? on a digital multimeter are useful in identifying low
voltage conditions.
a.analog scale
b.bar graph
c.diode test mode
d.MIN/MAX mode - Answers -d.MIN/MAX mode
*Clip-on ammeter tests should be taken during ?.
a. normal daytime hours to get a true reading on load demand
b. the nighttime hours when the power usage is at the most constant demand
The Romans refined distance traveled to a unit of length called the ? .
a.cubit
b.foot
c.meter
d.mile - Answers -d.mile
When using a test instrument with test leads, the ? lead should be connected first.
a.energized
b.fused
c.ground
d.red - Answers -c.ground
For maximum safety, personal protective equipment and safety requirements for test
instrument procedures must be followed, as specified in ? , which is one of several
standards.
a.IEEE
b.NFPA 70E
c.OSHA Standard 1926.05
d.test instrument manufacturer's guidelines - Answers -b.NFPA 70E
The ? value of a sine wave is the maximum instantaneous value of either the positive or
negative values in the sine wave.
a.average
b.peak
c.positive
d.rms - Answers -b.peak
One advantage of voltage testers is that they have a lower impedance (resistance) and
draw more current than voltage indicators, which allows them to be used for testing ? .
a.insulation
b.job order motors
c.job order wiring
d.GFCIs - Answers -d.GFCIs
An ohmmeter is used to measure the ?
a.amperage
b.direction of voltage flow
, c.resistance
d.voltage - Answers -c.resistance
? leakage current is current that flows from areas on conductors where insulation has
been removed to allow electrical connections.
a.Capacitive
b.Conductive
c.Surface
d.Terminal - Answers -c.Surface
Many test instruments include a ? in the current-measuring circuit to prevent damage
caused by excessive current.
a.bypass
b.circuit breaker
c.fuse
d.relay - Answers -c.fuse
When a 3-phase current unbalance exceeds ? , a test for voltage unbalance should be
performed.
a.3%
b.10%
c.20%
d.30% - Answers -b.10%
Most digital multimeter displays include a(n) ? to show changes and trends in a circuit.
a.analog scale
b.bar graph
c.diode test mode
d.MIN MAX mode - Answers -b.bar graph
Voltage measurements using the ? on a digital multimeter are useful in identifying low
voltage conditions.
a.analog scale
b.bar graph
c.diode test mode
d.MIN/MAX mode - Answers -d.MIN/MAX mode
*Clip-on ammeter tests should be taken during ?.
a. normal daytime hours to get a true reading on load demand
b. the nighttime hours when the power usage is at the most constant demand
