CDC 3D157 Vol 3 sec. 1-3

1.

1 point

The cable fault that occurs because of moisture, a mechanical contact, or charred or burned conductor insulation is...

a ground.

an open.

a short.

a cross.

2.

1 point

What cable defect exists when a conductor of one pair makes contact with a conductor of another pair?

An open.

A short.

A ground.

A cross.

3.

1 point

A reverse occurs when the tip of a pair is spliced to the...

ring of a different pair.

ring of the same pair.

tip of a different pair.

tip of the same pair.

4.

1 point

Which splicer's erroris indicated when the tip and ring of one pair is spliced to the tip and ring of another pair?

Cross.

Split.

Transposition.

Reverse.

5.

1 point

To verify a talk circuit connection using the 52E headset, you hear a...

Battery "click".

"click" and then speak into the transmitter.

battery "buzz".

"buzz" and listen to dial tone.

6.

1 point

Using the one person continuity test, what cable preparation do you make before testing for opens?

Open one end of the circuit.

Strap one end of the circuit to a ground.

Open both ends of the circuit.

Strap both ends of the circuit to a ground.

7.

1 point

When making a continunity test with a multimeter using the two person method, the splicing crew must first establish...

what circuits are faulty.

the pair count.

a talking circuit.

a reference pair.

8.

1 point

What tone level on the PR25A conductor tagger and analyzer do you use for normal tagging of the conductors in a working cable?

LOW

MED

HIGH

AUTO

9.

1 point

When tone is placed on a cable pair to be tagged with the PR25A conductor tagger and analyzer, what type of probe do you use with the amplifier to identify the pair under test?

93A

105D

101B

513A

10.

1 point

If the conductor under test with a digital multimeter is grounded, the meter displays...

a "0" or nothing.

a voltage reading.

a continuity reading.

an over range sign.

11.

1 point

What is the proper setup for a digital multimeter when measuring stray voltage on cable pairs?

BLACK lead to COM jack, RED lead to VOLT jack and function selector to AC VOLTS.

BLACK lead to COM jack, RED lead to VOLT jack and function selector to DC VOLTS

BLACK lead to VOLT jack, RED lead to COM jack and function selector to AC VOLTS

BLACK lead to VOLT jack, RED lead to COM jack and function selector to DC VOLTS.

12.

1 point

Positioning the INPUT switch on the 147D amplifier depends upon the...

impedance of the exploring coil.

amount of voltage gain required.

input and output of the transformer.

type of fault being located.

13.

1 point

When operating the 147B amplifier, when is voltage applied to the plate and filament?

By the on/off switch.

When the coil is plugged into the 147D.

When the voltage gain switch is positioned.

When the receiver plug is inserted in the REC jack.

14.

1 point

When using the exploring coil method with the 147B amplifier to trace a tone to a fault, what situation may occur if the gain is set too high?

The voltage applied to the plate and filament will automatically shut off.

The audio signal on the cable will be too low to detect.

Radio interference will not be bypassed.

It may be difficult to determine a change in tone volume as the coil is passed over a fault.

15.

1 point

When locating cable faults with the exploring coil and amplifier, how do you connect the tone generator with the pair to be tested?

In series.

In parallel.

Where the cable goes underground.

By using the simple induction method.

16.

1 point

When using a tone source and coil to locate a shorted pair, what causes tone variations along the cable?

Distance to the fault.

Natural twist in the pairs.

Type of cable sheathe over the pairs.

Resistance of the fault.

17.

1 point

Normally, how many hours can you use the 965 DSP between charges?

10

12

16

18

18.

1 point

The 965 DSP comes with five test leads; which ones are used for most functions?

Red, black, and green.

Black, blue, and yellow.

Blue, red, and yellow.

Blue, yellow, and green.

19.

1 point

When detecting resistance faults with the 965 DSP, what must be done to conductors at the far end of the cable?

Shorted together.

Shorted directly to ground.

Shorted to shield.

Cleared from electrical contact.

20.

1 point

When using the 965 DSP, multiple grounded conductors also show up as...

shorts.

rounds.

crosses.

splits.

21.

1 point

When detecting cable faults with the 965 DSP in a non-working cable, which test leads are required?

Green, blue, and yellow.

Red and black.

Blue and yellow.

Green, red, and black.

22.

1 point

What does the 965 DSP provide that may be used for final fault location indication?

Time-domain reflectometer

Integrated system digital network

Talk set

Identification tone

23.

1 point

When locating a short with the 965 DSP, to what lead do you connect the single end of the shorting strap at the far end?

Red.

Yellow.

Black.

Green.

24.

1 point

When testing for opens with the 965 DSP, you must shot at least what percentage of the inactive pairs to the cable shield?

20

30

40

50

25.

1 point

What 965 DSP function do you use to measure the capacitance of a known good pair within a cable of known length?

Calibrate to cable

Pair OK

Resistance

Multi-selection

26.

1 point

Which method of applying tone do you use on a buried cable when there are NO means of getting to the cable?

Direct connection.

Simple induction.

High frequency connection.

Inductive coupling.

27.

1 point

Which method of applying tone do you use on a buried cable where bonds cannot be removed, interrupting service is NOT allowed, and more than one cable is in the trench?

Direct connection.

Simple induction.

Low-frequency connection.

Inductive coupling.

28.

1 point

Which locating technique can you use on burried fiber optic cables when the cable does NOT contain any metal components?

Simple induction.

Direct connection.

Inductive coupling.

Transponder peg.

29.

1 point

What is the model 2273 Cable Locator's one passive trace frequency?

8 Hz

60 Hz

200 Hz

33 Hz

30.

1 point

Why do you turn the 2273 Cable Locator transmitter off before handling the connecting cables (or test leads)?

To conserve battery power.

To avoid electrical shock.

To keep tone from interfering.

To clear the last reading.

31.

1 point

While using the direct connection method with the 2273 Cable Locator transmitter, you use 577 Hz (low frequency) if the cable is over a mile long because...

other tones are not available.

it provides for greater tone.

both ends of the cable section are not bonded.

it is best for sweeping a large area.

32.

1 point

If you place the Cable Locator's Dyna-Coupler on the cable between the ground bondingclamp and the point where the cable enters the ground, where does the tone go?

Back to the test set.

Nowhere.

Onto the cable.

To ground.

33.

1 point

You can use the Cable Locator's induction method when...

only one end of the cable is available.

the cables diameter is over 1 inch

there are only two other cables present.

locating all conductive burried services in a general area.

34.

1 point

When marking cables, mark the path...

at the same time as it is being located.

two hours before digging.

after buried power is located.

before it is located.

35.

1 point

When marking for cables, what color do we use for proposed digging or unknown utilities?

Purple

Orange

Red

White

36.

1 point

When determining cable depth, place the 2273 Cable Locator receiver on the ground with the handle...

parallel to the cable's path.

perpendicular tot he cable's path.

at a 45* angle to the cable's path.

facing the transmitter.

37.

1 point

How many hours does it take to fully charge the battery pack in the 1502 Time-Domain Reflectometer?

8

10

12

16

38.

1 point

Which front panel control of the 1502 TDR selects the horizontal deflection factor?

MULTIPLIER

FEET/DIV

ZERO REF SET

MP/DIV

39.

1 point

When an electrical path between two or more points is capable of producing one or more channels, it is called a...

carrier.

bridge tap.

circuit.

gain.

40.

1 point

The volume of a signal is described as the...

hum.

level.

decibel.

modulation.

41.

1 point

A measurement of a cable pair's uniformity throughout its length is called...

impedance.

an echo.

structural return loss.

frequency translation error.

42.

1 point

What is done first when testing a transmission line for opens with a multimeter?

Connect lead to sheath.

Clear the conductors.

Connect lead to inner conductor.

Short the conductors.

43.

1 point

What does the ground resistance tester model 4620 measure?

Distance between the equipment and ground.

Current between two electrodes.

Compaction of the Earth's surface soil.

Voltage drop across a predetermined distance of Earth.

44.

1 point

When performing a 3-point ground resistance test, the green test lead is connected to the...

auxiliary potential electrode.

ground under test.

auxiliary current electrode.

equipment ground.

45.

1 point

The maximum ohms impedance to Earth for a telephone equipment ground is...

5

10

15

20

46.

1 point

Which factor would increase the insulation resistance of a conductor?

Length of the conductor increases

Thickness of the insulating material decreases

Area of the conductor increases

Thickness of the insulating material increases

47.

1 point

The proper voltage output of the AN/PSM-2 is indicated by...

turning the crank in either direction.

the steady glow of the neon lamps through the plastic buttons.

observing voltage reading on the bottom scale of the megohm scale.

observing voltage in the megger's meter.

48.

1 point

What is the needle set range of the AN/PPSM-2 test set?

0-1,000 ohms

0-1,000 megohms

0-1,000 volts

0-500 volts

49.

1 point

Which conductor has the LEAST total insulation resistance?

50 feet of paper insulated conductor

50 feet of plastic insulated conductor

100 feet of paper insulated conductor

100 feet of plastic insulated conductor

50.

1 point

How do you prepare the conductors being tested for insulation resistance at the distant end?

cleared

strapped to the megger

strapped to ground

strapped