Deck 2: The Telephone and the Telephone Line

Question 1

Explain how a telephone's transmitter and its receiver can both be viewed as transducers.

Answer 1

Not Answered

Question 2

Describe a line-to-line connection.

Answer 2

A line-to-line connection, also known as a series connection, refers to a type of electrical circuit connection where the end of one component is connected to the beginning of the next component. This means that the current flows through each component in a single path. This type of connection is commonly used in electrical and electronic circuits. In a line-to-line connection, the voltage is divided among the components, but the current remains the same throughout the circuit.

Question 3

Which of the following is not one of the 5 major pieces of hardware that make up a telephone set?

A) transmitter
B) cradle
C) dial pad
D) receiver
E) ringer
F) switch hook

Answer 3

cradle

Question 4

Sam's telephone number is 753-2133. The digits 753 are called the:

A) suffix
B) exchange code
C) area code
D) none of the above

Question 5

Ringing voltage is comprised of a ________ frequency that rides on a(n) ________ AC signal.

A) 20 Hz, 200 volt
B) 40 Hz, 80 volt
C) 10 Hz, 70 volt
D) 20 Hz, 70 volt

Question 6

In the telephone business, the word conductor refers to:

A) air
B) water
C) a laser beam
D) a copper wire
E) any of the above

Question 7

The protector block:

A) connects the telephone cord to the inside house wiring
B) connects the outside plant cable to the subscriber's premises
C) connects a subscriber's line to the switches
D) is mounted on the outside of a house by the local telephone company to terminate the telephone wire pair

Question 8

The holiday typically used by the telephone company in determining the size of a switch is:

A) Mother's Day
B) Christmas
C) Yom Kippur
D) New Year's

Question 9

Which ration represents the most common value of customers per switch connection used by the telephone company to design switch capacity?

A) 6:1
B) 3:1
C) 8:1
D) 2:1

Question 10

The physical components that make up the telephone receiver are the:

A) voice coil
B) magnet
C) diaphragm
D) signal cone
E) a, b, and d above
F) a, b, c, and d

Question 11

A(n) ________ converts one form of energy into a different form of energy.

Question 12

The ________ ________ is the part of the telephone that is used to open the circuit when the handset is returned to the cradle or to close the circuit when the handset is picked up off the cradle.

Question 13

An idle circuit is a(n) ________ circuit.

Question 14

The portion of the telephone that contains the receiver and transmitter is referred to as the ________.

Question 15

The acronym DTMF refers to the technical term used to define touchtone, or dualtone ________.

Question 16

The flexible device found in the telephone that moves as electrical or sound waves push against it is called the ________.

Question 17

Another name for the telephone transmitter is the ________.

Question 18

A(n) ________ builds a temporary path between the telephone lines of two people in communication.

Question 19

The ratio of customers per switch connection that is used to design switch capacity is called the ________ ratio.

Question 20

Whenever the switch needs to ring a telephone, ringing voltage must be applied to the ________ side of the pair.

Question 21

The difference between touchtone and rotary dial for identification of the digits selected is that the rotary dial uses pulses of specific lengths, while touchtone uses frequencies.

Question 22

Ring back is the ringing of the other party's phone, which can be heard by the person dialing

Question 23

The term "tip and ring pair"refers to the wire conductors used to connect the telephone subscriber to the serving central office.

Question 24

The purpose of the metal lining in a telephone transmitter is to hold the lid over the carbon granules.

Question 25

A plug cord is in use at all times.

Question 26

Most small communities have one tip and ring pair that is shared by all subscribers.

Question 27

A fast busy signal indicates that the party being called is already off-hook.

Question 28

Side tone is the static you sometimes hear when communicating with someone over the telephone.

Question 29

On the main distribution frame (MDF), the subscriber termination from the outside plant is on the horizontal side and the switch is connected to the vertical side.