Lesson 6 - Fiber-Optic Cable

Question 1

Any cable that contains metallic conductors must be properly grounded and bonded. T or F?

Answer 1

True

Question 2

In order to specify a fiber-optic cable properly, a worker needs to understand installation specifications as well as environmental specifications. T or F?

Answer 2

True

Question 3

Cables that contain both multimode and singlemode fibers are called ?.

a. mixed cables
b. hybrid cables
c. composite cables
d. XC cables

Answer 3

b. hybrid cables

Question 4

Cables with metallic conductors as well as fiber are called ?.

a. mixed cables
b. hybrid cables
c. composite cables
d. XC cables

Answer 4

c. composite cables

Question 5

No cable should be installed indoors unless it ?.

a. has the length printed on the cable jacket.
b. is colored orange to indicate fiber optics.
c. is enclosed in innerduct or conduit.
d. is UL listed for flame retardancy for National Electrical Code (NEC).

Answer 5

d. is UL listed for flame retardancy for National Electrical Code (NEC).

Question 6

All outdoor cables are specifically designed to ?

a. be direct buried for ease of installation.
b. include large numbers of fibers.
c. prevent moisture damage to the fiber.
d. prevent rodent damage to the cable.

Answer 6

c. prevent moisture damage to the fiber.

Question 7

The design of cables of small size with very large fiber counts is usually ?.

a. loose tube cable.
b. ribbon cable.
c. tight buffer cable.

Answer 7

b. ribbon cable.

Question 8

The design of cables for high pulling tension in outside plant installations is usually ?.

a. loose tube cable.
b. ribbon cable.
c. tight buffer cable.

Answer 8

a. loose tube cable.

Question 9

The advantage of a breakout cable over a distribution cable is ?.

a. breakout cable can be used indoors or outdoors.
b. breakout cable costs less than distribution cable.
c. the breakout cable can be installed and terminated without additional hardware for protection of the terminations.
d. the breakout cable has a smaller size and weight.

Answer 9

c. the breakout cable can be installed and terminated without additional hardware for protection of the terminations.

Question 10

Cables should always be pulled with ? to prevent damage.

a. nylon rope.
b. kellums grip on the jacket.
c. tension gauge.
d. the cable’s strength members.

Answer 10

d. the cable’s strength members.

Question 11

Loose tube cable requires a ? to terminate with connectors.

a. breakout kit
b. splice closure
c. strain relief
d. tube stuffer

Answer 11

a. breakout kit

Question 12

Armored cable is used in outside plant installations to ?.

a. conduct lightning strikes
b. increase pulling tension
c. prevent rodent damage
d. protect from damage from dig-ups

Answer 12

c. prevent rodent damage

Question 13

The minimum long-term bend radius of installed fiber-optic cable is usually specified as no less than ?.

a. 12”
b. 1 meter
c. 10 x’s the cable diameter
d. 20 x’s the cable diameter

Answer 13

c. 10 x’s the cable diameter

Question 14

Black polyethylene jackets are used on outdoor cables for ?.

a. abrasion resistance
b. appearance
c. high tensile load
d. sunlight and moisture resistance

Answer 14

d. sunlight and moisture resistance

Question 15

Study #15 - I can’t place photos

Answer 15

:)