Navy Install2 And 10550.25B

Front 1

When is 2M repair not authorized?

Back 1

special components, and
on assemblies critically sensitive to frequency, voltage, temperature

Front 2

How often is 2M recertified?

Back 2

Annually

Front 3

How many 2M stations are authorized per certified Technician?

Back 3

One

Front 4

What is the minimum lighting required for a 2M station?

Back 4

100 footcandles

Front 5

How big is a 2M work station required to be?

Back 5

30"Dx60"W

Front 6

At what distance is work on energized circuits prohibited from the 2M work station?

Back 6

three feet

Front 7

What are the MALFUNCTION LOCATION Steps?
As per NAVSEA SEOOO-00-EIM-100 Section 2-8.2

Back 7

a. Identifying the symptom
b. Identifying the malfunction
c. Localizing the malfunction
d. Locating the cause of malfunction
e. Failure analysis

Front 8

How many classes of Field Changes are there? What are they?

Back 8

3
A=No funding Ships Force completes
B=Funding Required Shipyard completes
C=Requires Industrial assistance

Front 9

What is the fundamental criterion for electric shock intensity?

Back 9

Current (Amps) not Voltage

Front 10

How long does it take a fully discharged NiCd battery to charge?

Back 10

14-16 Hours

Front 11

NiCd Batteries must be charged in (series/parellel)?

Back 11

Series

Front 12

At what temperature will mercury batteries explode?

Back 12

400 deg F

Front 13

What are the most common solders made of? What is the percent mixure?

Back 13

Tin/Lead
60/40
63/37

Front 14

What is the purpose of solder flux?

Back 14

Remove surface oxide.

Front 15

What are the three type of solder flux?

Back 15

Chloride (ACID), bad for electronics-too corrosive
Organic-less reactive than ACID not for shipboard
Rosin or Resin

Front 16

What causes "Dirty" solder joints?

Back 16

Dirty solder joints are caused by oxidation
or other foreign matter interfering

Front 17

What causes cold solder joints?

Back 17

Cold solder joints are caused by insufficient
heat or poor heat transfer to the joint

Front 18

What causes fractured solder joints?

Back 18

Fractured joints result from physical movement of the join while the solder is in the plastic state

Front 19

What causes dead solder joints?

Back 19

Dead solder is due to extreme overheat and is
generally only found on the tip of a soldering iron
when the iron is not in use.

Front 20

What are Rubber Gloves with leather liners must be worn with energized circuits. GSA#8415-01-158-9448 Type1 Class2 rated up to?

Back 20

17,000 VAC

Front 21

What are shorting probes (NSN 5975-01-029-4176) are rated at?

Back 21

25,000volts

Front 22

What is rubber matting rated up to? Where must it be installed? What must seams be sealed with?

Back 22

3000volts
around electronic equipment
4” 3M electrical tape

Front 23

What is the definition of a confined space?

Back 23

Limited opening for entry and exit
Poor natural ventilation
Uncomfortable design for continuous occupancy/ work

Front 24

What are the RF Radiation Hazards?

Back 24

Thermal Effect (soft tissue damage)
Potential Biological Effects (immunological, neurological and behavioral changes may result from lower levels of RF radiation)
Burns
Electric shock (induced current or current from transmitter)

Front 25

What are the HERO conditions?

Back 25

HERO CONDITION 0 is normal steaming conditions.
HERO CONDITION 1 set when handling HERO SUSCEPTIBLE TMR-90 HF, AN/SPS-40 MK-92 and CIWS must be silenced.
HERO CONDITION 2 set when handling HERO UNSAFE ordinance all radars and HF Antenna be silenced.

Front 26

Excluding aircraft, fire control systems, and ship engineering control systems how manydifferent types of electronic equipment doe the cost guard have?

Back 26

over 9,000
with over 120,000 items

Front 27

What Headquarters directorate # is C4IT?

Back 27

CG-6

Front 28

What does SMEF stand for? What do they do (if anything)?

Back 28

System Management and Engineering Facility
Support CG equipment in the field.

Front 29

What is DGPS?

Back 29

(D)ifferentialGPS
(G)lobal
(P)ositioning
(S)ystem
Land Based MF accurate at least to 10M

Front 30

How many satelites are necissary for GPS fix?
Altitude?

Back 30

3
4 for altitude

Front 31

What is a MICA?

Back 31

Management Information for Configuration and Allowances (MICA)
allowance document prepared for, and “tailored” to, a specific individual unit or unit class.

Front 32

What are wire transmitting antennae are generally made with?

Back 32

phosphor-bronze tiller rope
or
7 or 9 strand phosphor-bronze antenna wire.

Front 33

What is the melting temp of Tin?
Lead?
Solder?

Back 33

Tin=1450° F
Lead=621° F
Solder=361° F to 576° F, depending on
the lead content.