7
1-56. Which of the following safety precautions
does NOT apply to a multimeter?
1. Observe proper dc polarity when
measuring dc
2. Deenergize the circuit before
connecting the meter
3. Be sure the meter is switched to ac for
ac measurements
4. Never apply power to the circuit when
measuring voltage with the meter
1-57. If a multimeter has no OFF position, and it
is returned to storage, on which of the
following positions should the meter be
set?
1. +dc; highest voltage range
2.
-
dc; higher resistance range
3. Ac; highest voltage range
4. Ac; highest current range
1-58. When the current in a conductor is
measured without the conductor being
disconnected, which of the following
meters could be used?
1. Multimeter
2. Hook-on voltameter
3. Induction wattmeter
4. Transformer voltmeter
1-59. Which of the following electrical
quantities is measured by a wattmeter?
1. Power
2. Energy
3. Voltage
4. Current
1-60. Which of the following electrical
quantities is measured by a watt hour
meter?
1. Power
2. Energy
3. Voltage
4. Current
