Chapter 2 Self Test

Question 0

(405) 2. What is the purpose of Wings 3 and 5 diesel electric unit (DEU)?

Answer 0

To provide stand by power in the event of a commercial power failure.

Question 1

(405) 1. What is the purpose of the MAF power system?

Answer 1

Distribute commercial AC power to launch control equipment building (LCEB), tunnel junction, and LCC. Automatically generate and distribute stand by power when commercial power fails.

Question 2

(405) 3.What does the MPP do during a commercial power failure?

Answer 2

Automatically starts the DEU as a back up power generation unit.

Question 3

(405) What Wing 3/5 power panel provides power to the MG set?

Answer 3

The launch control power-A (LCPA) power panel

Question 4

(405) 5. When does the AC motor on the motor-generator operate?

Answer 4

As long as primary power is received from the LCPA panel.

Question 5

(405) 6. What happens to the MG when primary power fails?

Answer 5

The storage batteries power a DC motor in the MG that drives those same two AC generators.

Question 6

(405) 7. How are Wings 3/5 LCC storage batteries configured?

Answer 6

A series-parallel configuration

Question 7

(405) 8. What purpose does the PSG’s power conversion equipment serve?

Answer 7

To convert the MG’s AC voltage output into 28 VDC for use by the communications and rapid execution and targeting (REACT) console equipment in the LCC.

Question 8

(405) 9. Why is the Wing 1 DEU larger than the Wings 3/5 DEU at a MAF?

Answer 8

Wing 1 DEU operates the topside and below ground portions of the MAF.

Question 9

(405) 10. How are the LCC storage batteries configured in a Wing 1 MAF?

Answer 9

Eight pairs of batteries connected in a series-parallel configuration.

Question 10

(406) 1. Which components in a Wing 3/5 LFSB are the same as the ones at the MAF?

Answer 10

The service disconnect breaker, the power line protection assembly (PLPA), and DEU

Question 11

(406) 2. What does the battery charger provide to the storage batteries?

Answer 11

60-amps of charging power at 36 VDC

Question 12

(406) 3. What components do the storage batteries provide power to when primary power fails?

Answer 12

To the emergency ECS and the DC motor on the MG.

Question 13

(406) 4. What is the major difference between the LF and MAF motor generators?

Answer 13

The MAF has an additional 60-Hz generator, whereas the LF only has one 400-Hz generator.

Question 14

(406) 5. How is the D-box configured when the SCS key is not installed?

Answer 14

The ordnance devices of the missile are connected to the D-box and are ready for launch signals.

Question 15

(407) 1. How are LCC cables routed between pieces of equipment?

Answer 15

In two overhead cable trays or clamped to the walls and other structures.

Question 16

(407) 2. How are cables routed between the LCC and the topside support building?

Answer 16

Through a conduit

Question 17

(407) 3. What type of cables is used for battery and ground cables?

Answer 17

Single conductor cables

Question 18

(407) 4. What type of cable is used for signal cables between the LCC equipment and ESA vault?

Answer 18

Several multi-conductor shielded cables

Question 19

(407) 5. What piece of equipment is an interface between the ESAs and electronic equipment?

Answer 19

An interconnecting box (I-box)

Question 20

(407) 6. From what do the ESA modules protect wire pairs?

Answer 20

From excessive voltage and current surges due to the lightning or other electromagnetic pulses.

Question 21

(407) 7. How do the carbon block spark gaps protect equipment?

Answer 21

By clamping the voltage and shunting excessive current to ground.

Question 22

(408) 1. How are cables that go to the equipment racks on the shock-mounted floor routed?

Answer 22

In a double-decker cable tray above the air conditioning duct

Question 23

(408) 2. What feature prevents damage to cables that go from the shock-mounted floor to a rigid structure?

Answer 23

Sufficient slack (shock loop)

Question 24

(408) 3. How are cables routed from the launcher to the support or equipment building?

Answer 24

Cabling runs in conduit

Question 25

(408) 4. What device accomplishes signal distribution that is unique to each LF?

Answer 25

An I-box

Question 26

(408) 5. What device in an I-box suppresses undesirable signals that may have been picked up on the HICS?

Answer 26

A pulse suppressor assembly

Question 27

(408) 6. Which electrical filter assembly at an LF protects the IZ security switch loop lines?

Answer 27

F-1343/GSW-13

Question 28

(408) 7. What do the 14 ESA modules in the secondary door ESA assembly provide?

Answer 28

EMI filtering for all power and signal lines between the site activation remote controller (SARC), security pit, and secondary door control assembly (SDCA).

Question 29

(411) 1. What ensures messages are propagated throughout a squadron?

Answer 29

The retransmissions and the interconnectivity of the HICS

Question 30

(411) 2. Under what conditions will an LCC register another LCC as being down?

Answer 30

If a monitoring LCC detects that another LCC in its squadron is failing to transmit proper operation status interrogations (OSI) for 240 seconds

Question 31

(411) 3. Describe how a LCC monitors the operational status of a LF.

Answer 31

An LCC automatically transmits an OSI message to one LF as part of its normal routine. The OSI causes the LF to transmit an operational status report (OSR) which reports its status as gathered by the LF monitoring equipment. The OSI and OSR cycle is repeated for each LF, ensuring all LFs in the squadron are continually interrogated.

Question 32

(411) 4. What type of messages are initiated from control panels in the LCC to select execution plans and to enable missiles?

Answer 32

Command messages

Question 33

(411) 5. What operational capabilities do the C2 system tests check for?

Answer 33

Missile operational readiness, LF ground equipment for launch readiness, LF monitoring equipment, and LCC system equipment for operability.

Question 34

(411) 6. What provides for the secure transfer of targeting data for remote targeting operations?

Answer 34

Remote data change (RDC)

Question 35

(411) 7. What does time-sharing of the cable network prevent?

Answer 35

Messages from interfering with each other.

Question 36

(411) 8. How are timeslots synchronized among the five LCCs of a squadron?

Answer 36

By the LCC occupying time slot No. 1 which is the master transmitter.

Question 37

(411) 9. What equipment generates an OSI when an operator does not initiate a command?

Answer 37

The WSP

Question 38

(411) 10. What LCC equipment converts a WSP formatted message into diphase?

Answer 38

The message processing control drawer

Question 39

(411) 11. What LF equipment converts diphase data to digital data suitable for processing?

Answer 39

The message processor

Question 40

(411) 12. How are message retransmissions prevented from continuing indefinitely?

Answer 40

By locking out the receiving lines in each site (LF and MAF) that receives and retransmits the message.

Question 41

(411) 13. What device provides the mechanism for encrypting and decrypting messages?

Answer 41

secure data unit (SDU)

Question 42

(411) 14. What piece of equipment provides the SDU with special code words?

Answer 42

a keying variable

Question 43

(411) 15. What state must a missile be in before it can be launched?

Answer 43

Enable

Question 44

(411) 16. What happens when a missile processes an enable command with the address of another LF?

Answer 44

It will reject the command and remain in its present state.

Question 45

(411) 17. What type of status is the ALCC incapable of monitoring?

Answer 45

It doesn't have any LF ground status monitoring capability