1. Flexibility of operation in a telephone system is obtained through the use of
c. local batteries.
b. parallel lines.
d. common batteries.
2. The function of trunks in a multistation telephone system is to interconnect
a. each telephone station to the central office.
b. outside plant equipment to the central office.
c. telephones to switchboards.
d. central offices.
3. The diagram of a telephone network without a switchboard is shown in figure 2-1. One characteristic of
this network is that
a. any station can selectively call any other station.
b. all the telephones are connected in series with each other.
c. traffic can move freely between all stations because of the wire maze.
d. the signal from one telephone will be heard in all earpieces simultaneously.
4. In a common-battery telephone system, signaling is performed by the operator located at the
c. telephone station.
b. outside plant.
d. transmission line termination.
5. Telephone operators normally connect telephone stations together by using
a. binding posts.
c. switchboard cords.
b. toggle switches.
d. plug-in terminal blocks.
6. Conservation of field wire is an important logistical consideration. The component in a telephone system
that aids in conserving wire is the
a. signaling device.
c. local-battery telephone.
b. telephone switchboard.
d. common-battery telephone.
7. Various types of switchboards have their recommended uses in military communications networks.
When mobility is a prime consideration (as in forward areas), the choice of switchboard type should be