First step in half-splitting method?

Consult schematics for midpoint

Vertical Cavity Surface Emitting Laser

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Questions 88

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1
What is output to input power ratio?
Hertz
Decibel
Intensity
Optic volume
2
How are pumping units and system operation?
Separate
Inconsequential
Interrelated
Optional
3
What removes bulk water and moisture?
Vessels
Membranes
Water traps
Valves
4
What are major FODMS components?
Fiber Optic Interconnection Boxes (FOICB)
Non-Redundant Channel (NRC) fibers
Plastic Clad Silica (PCS) consoles
Maintenance Groups (MGs)
5
What is the primary action for unusual operation?
Standby for instructions
Investigate cause
Correct immediately
Report to supervisor
6
First step in half-splitting method?
Consult schematics for midpoint
Test each half
Subdivide circuit
Test entire circuit
7
What do clogged HP air flask drains indicate?
Excessive pressure
Leaking valves
Worn filters
Internal corrosion
8
Where find clearance information for pumps?
Equipment Technical Manual
EOCC procedures
EOOW
EOSS procedures
9
How long to flush eyes with phosphate ester?
10 minutes
5 minutes
15 minutes
20 minutes
10
What converts optical to electrical signals?
Receiver
Photodiode
Transmitter
Noise Amplifier
11
Which filter is used in fan coil units?
Oil bath
Aftercoolers
Dry type
Viscous impingement type
12
What is a VCSEL?
Laser Diode
Super Luminescent Diode
Vertical Cavity Surface Emitting Laser
Numerical Aperture
13
What is a device that regulates fluid flow?
Strainer
Valve
Filter
Reservoir
14
What term refers to different processes are used to fore the passive and active components
Hybrid
Multiple
Monolithic
Dual
15
What are guided electromagnetic waves called?
Signals
Planes
Channels
Modes
16
Max temperature for processor operation?
+50°C (+122°F)
+60°C (+140°F)
+40°C (+104°F)
+70°C (+158°F)
17
What happens with fiber fabrication errors?
Lateral misalignment
Angular mismatch
Fiber mismatch
Surface finish loss
18
What type of IC is within a substrate?
Monolithic
Hybrid
Printed Circuit Board (PCB)
Microcircuit
19
What does TDM use for transmission?
Common signal path
Unique signal path
Digital signal path
Analog signal path
20
Which step checks system power and settings?
Symptom recognition
Localize the faulty function
Symptom elaboration
Fault estimation
21
What protects optical fiber from damage?
Acrylate coating
Core
Sheeve
Cladding
22
What varies optical signal characteristics?
Modulation
Flashing
Tuning
Attenuation
23
What controls bus access in FODMS?
Traffic Controllers (TCs)
Fiber Optic (F/O) cable
Electric Plant Input-Output Unit (EPIOU)
Remote Multiplexors (RMs)
24
Why are intermittent faults hard to identify?
Random and not reproducible
Identified by other systems
Individual factors create problem
Happen at startup
25
Which material is used in LED construction?
Gallium
Copper
Silicon
Germanium
26
Max data rate for Navy F/O systems?
500 Mbps
300 Mbps
1,000 Mbps
100 Mbps
27
What is a continuous signal with variable amplitude?
Analog signal
Biphase signal
Multiplex signal
Digital signal
28
When decide FIFO or LIFO operations?
Special programming features
Perform
Design
Create logic program
29
What is the fire point of a substance?
Fire point
Foaming point
Acid point
Flashpoint
30
What are microcircuit characteristics called?
Parts
Signals
Elements
Chips
31
What affects lubricating power in liquids?
Moisture changes
Time changes
Temperature changes
Volume changes
32
What is the range of most instructions?
-32768 to +32767
-20000 to +20000
-42000 to +41999
-28000 to +27999
33
What reduces optical power in fiber?
Absorption
Dispersion
Reduction
Attenuation
34
What arranges symbols for transmission?
Line coding
Modulation
Isolation
Maintainability
35
What are typical detector materials for 850-nm?
Gallium aluminum arsenide
1,300-nm wavelength
Gallium arsenide
Silicon
36
What does maintenance include besides driver?
Controller
Pump
Thrust bearings
Timing gears
37
What topology branches or splits?
Star topology
Linear bus topology
Ring topology
Tree topology
38
What happens with angular mismatch?
Fiber mismatch
End separation
Angular mismatch
Macrobending
39
When should redundant cables be used?
Permanent repair
Secondary repair
Combination repair
Temporary repair
40
What does DIP overcome?
Handling
Displaying
Programming
Testing
41
What is signal loss in FOCP?
Bandwidth
Splice loss
Resistor
Electron
42
What are the four major instruction types given by the control section; transfer arithmetic and control
Power
Logic
Manufacturer
Transfer
43
What is the frequency difference called?
Signal
Attenuation
Dynamic Range
Bandwidth
44
What stores air at high pressure?
Air flask
Pressure flask
Air receiver
Pressure tube
45
What are the four basic PS sections transformer rectifier filter and what
Switch
Capacitor
Crystal
Regulator
46
Where does PLC read instructions?
Right
Left
Top
Bottom
47
Which dehydrators use refrigerant systems?
Type II
Type I
Condenser-Filter
Type 21
48
How many modes can multimode fibers propagate?
100
50
500
200
49
Ladder logic looks for what conditions?
Output
Input
FALSE
TRUE
50
What is minimum optical power for performance?
Light level
Bit-Error Rate (BER)
Signal-to-Noise Ratio (SNR)
Receiver sensitivity
51
What if suction tank level is low?
Inspect suction lines
Adjust relief valve
Correct pump rotation
Check tank level
52
What is optical power level range?
Receiving range
Dynamic range
Color range
Optic range
53
What are the three tubular dimensions?
Material
Length of tube
Circumference
Wall thickness
54
What topology connects to a common hub?
Tree topology
Ring topology
Linear bus topology
Star topology
55
What describes analog system performance?
Dynamic Range
Bit-Error Rate (BER)
Dial Modulation (DM)
Signal-to-Noise Ratio (SNR)
56
What if FLT light flashes at power up?
Major error detected
Processor not configured
No errors
Fatal error present
57
Which I/O modules have separate circuits?
Combined
Discrete
Analog
Digital
58
What degrades electrical components but not F/O?
Corrosion
Sparking
Static interference
Electromagnetic radiation
59
What conveys data from shipboard systems?
Electric Plant Input-Output Unit (EPIOU)
Plastic Clad Silica (PCS) consoles
Fiber Optic Data Multiplex System (FODMS)
Time Division Multiplex (TDM)
60
What is a PIN photodiode?
Avalanche Photodiode
Schottky-Barrier photodiode
Negative-Intrinsic-Positive photodiode
Positive-Intrinsic-Negative photodiode
61
Which step lists possible faulty units?
Localize the faulty function
Symptom recognition
Symptom elaboration
Fault estimation
62
What consists of parallel instructions?
A program
A branch
A rung
A logic ladder
63
What is the core of an optical fiber?
Cladding
Shaft
Acrylate Coating
Core
64
When does processor communicate externally?
Communication
Output scan
Service
Input scan
65
Which memory is permanently installed?
Programmable Read-Only Memory (PROM)
Read-Only Memory (ROM)
Random-Access Memory (RAM)
Erasable Programmable Read-Only Memory (EPROM)
66
Ladder Logic programs look for what?
Logical circuit
Electrical
Circuit run
Logical rung
67
What are magnetic core rings made of?
Aluminum
Rubber compound
Ferrite (iron)
Plastic
68
What is a depth filter?
Mesh
Curved
Surface
Depth
69
What is a programmer's flowchart called?
Schematic
System
Customer
Programming
70
How many chassis in a PLC system?
Three
Four
Five
Two
71
Which IP address is auto-assigned?
Public
Dynamic
Static
Private
72
What do macrobending and microbending cause?
Fiber mismatches
End separation
Contamination
Extrinsic attenuation
73
What is another name for a relief valve?
High-pressure valve
Safety valve
Pressure-reducing valve
Volumetric valve
74
Which OS allows multiple tasks?
Multi-User/Multi-Tasking
Multi-User/Single-Tasking
Single-User/Multi-Tasking
Single-User/Single-Tasking
75
Why is MAL different for Navy cables?
Commercial standards updated
Cost
Fire retardant process
Water affects signal
76
What is a typical F/O receiver component?
Photodiode
Static reducer
High-noise amplifier
Low-noise amplifier
77
Which rays pass through optical fiber axis?
Skew
Meridional
Energy
LED
78
What happens to light rays on surfaces?
Refracted
Blocked
Transformed
Colored
79
What monitors FODMS operational status?
Remote Multiplexors (RMs)
Maintenance Groups (MGs)
Traffic Controllers (TCs)
Area Multiplexors (AMs)
80
What is the distance between wave crests?
Cycle
Phase
Wavelength
Amplitude
81
Which LED has primary layer below surface?
Edge-Emitting LED (ELEDs)
Laser Diodes (LDs)
Super Luminescent Diodes (SLDs)
Surface-Emitting LED (SLEDs)
82
What can PLC voltages cause?
Electric surges
Major circuit fault
Seismic shocks
Death or serious injury
83
How are IC package pins labeled?
Top to bottom
Clockwise (CW)
Left to right
Counter-Clockwise (CCW)
84
What mates a permanent joint between fibers?
A connector
A F/O splice
A coupling
A weld
85
What if ENeT Channel 1 flashes red?
Ethernet port functioning
Contact Allen-Bradley
Software fault occurred
ENeT Channel 1 faulty
86
Laser Diodes are used in which fiber systems?
Tri-mode
Multi-mode
Single-mode
Dual-mode
87
What is the number of waves per second?
Frequency
Phases
Modulation
Ripples
88
What describes digital transmission performance?
Dynamic Range
Bit-Error Rate (BER)
Channel Selection Speed (CSS)
Signal-to-Noise Ratio (SNR)

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