8.
Both local-battery and common-battery systems are used in military applications. The local-battery systems are
desirable for tactical communications because of the:
a.
economical use of dry cell batteries.
b.
automatic supervision to the operator.
c.
uniform amplitude of the voice signals.
d.
quality of transmission over field wire circuits.
9.
A telephone system that provides telephone communications within a particular local area, such as an Army post,
maneuver area, town, or village is considered to be:
a.
Central Office.
c.
telephone station.
b.
telephone exchange.
d.
telephone switchboard.
10.
A device in a telephone set that serves the purpose of separating the transmitting circuit from the receiving circuit
is called a:
a.
c.
induction coil.
b.
secondary circuit.
d.
handset switch.
11.
What two essential components are found in a local-battery phone that are not found in a common-battery phone?
a.
Ringer, battery.
b.
Ringer, hand generator.
c.
Hand generator, capacitor.
d.
Battery, hand generator.
12.
How is the switchboard signaled in a common-battery system?
a.
By cranking hand generator.
b.
By lifting receiver.
c.
By pressing ring switch.
d.
By closing open to talk switch.
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