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Jeopardy 2016 Garza > Network Powering 16 > Flashcards

Network Powering 16 Flashcards

1
Q

The direction of an electrical field in a radiated wave

A

Polarity

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2
Q

Four types of AC waveforms

A

Sine wave, Square wave, Quasi-square wave, and Sawtooth wave

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3
Q

(RMS)

A

Root Mean Square

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4
Q

What is the relationship between two signal attributes that are represented graphically

A

Waveform

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5
Q

One complete sine wave

A

A Cycle

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6
Q

The number of cycles of an AC waveform that occur in one second

A

One Hertz

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7
Q

Cycles per second

A

Frequency

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8
Q

The physical length of one cycle of the voltage waveform

A

Wavelength

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9
Q

The peak value of an AC waveform

A

Amplitude

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10
Q

The position of the amplitude value as related to time

A

Phase

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11
Q

Resistance equals voltage divided by current

A

Ohm’s Law

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12
Q

The amount of energy available to move a certain number of electrons from one point to another in an electrical circuit

A

Voltage

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13
Q

Batteries should be inspected every ___to ___ months to ensure optimum performance

A

3 to 6

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14
Q

Transformer that takes 120VAC to 60 or 90VAC

A

Step down, Ferroresonant transformer

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15
Q

Center conductor resistance + Sheath resistance=

A

DC Loop resistance

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16
Q

Batteries also produce _____________ gas during charging operations. This gas may vent in an overcharging situation

A

Hydrogen

17
Q

When removing batteries, always switch the module’s TURN ___________________off before disconnecting the battery connector.

A

Battery breaker

18
Q

Measured in Ohms, the opposition a material offers to the flow of current, used to control the amount of amperage in a circuit.

A

Resistance (R)

19
Q

Which way do electrons flow in a circuit?

A

From negative to positive

20
Q

Wavelength formula

A

Wavelength = Speed of Light / Frequency

21
Q

The electricity provided by the local power company.

A

Commercial Power

22
Q

Differences between any batteries in the set should not be greater than

A

0.3 VDC

23
Q

Commercial power sends voltage at ____ and _____

A

240VAC and 120VAC

24
Q

I=E/R

A

Amperage=Voltage/Ohms

25
Q

R=E/I

A

Ohms=Voltage/Amperage

26
Q

E=I*R

A

Voltage=Amperage X Ohms

27
Q

splicing singlemode to multimode fiber is called

A

modeconditioning cable

28
Q

what does modeconditioning cause

A

modal dispertation

29
Q

bend radius for single mode fiber if in use

A

20 times diameter

30
Q

bend radius for single mode fiber not in use

A

10 times diameter

31
Q

what laser class is used for OTDR

A

Class 2

32
Q

what band is used for DWDM

A

C Band 1530 to 1570

Jeopardy 2016 Garza (21 decks)

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