Chapter 1 Self Test

Question 0

(401) 2. What is the purpose of the before ICBM security modernization program [BISMP] security pit control station?

Answer 0

To control the access shaft lights and to raise and lower the secondary door.

Question 1

(401) 1. What is the purpose of the security pit?

Answer 1

Provides for controlled access to the primary and secondary doors.

Question 2

(401) 3. Where is the site activation remote controller (SARC) connected?

Answer 2

To connector J1A in the security pit control station or the alternate location in the personnel access hatch (PAH)

Question 3

(401) 4. What actions must a technician take to secure the A-vault door in the security pit?

Answer 3

Scramble the lock by rotating the dial a minimum of four times and stopping at the pre-set number on the combination dial. This will set the sensitive switch to the proper position and close that portion of the IZ switch loop. Then perform a T-handle check and lift check.

Question 4

(401) 5. How is the primary door secured?

Answer 4

It is locked by a bolt that when extended from the security pit, engages a lug on the bottom of the primary door.

Question 5

(401) 6. How is the hand driven linear actuator (HDLA) used?

Answer 5

To open and close the primary door

Question 6

(401) 7. What does the backup generator provide?

Answer 6

The generator provides auxiliary electrical power to lower the secondary door during LF power failures.

Question 7

(401) 8. What components on the after ICBM modernization security program [AISMP] secondary door top are automatically operated and what is used to control them?

Answer 7

The security pin, actuator locking bar, and locking bolts; the site activation remote controller (SARC)

Question 8

(401) 9. Before securing the secondary door, why is it importantt to verify both combination locks are operational?

Answer 8

To precent secondary door lockout which involves a costly and destructive entry procedure.

Question 9

(401) 10. What happens if the locking bolts aren’t retracted within the security pin retraction window of time?

Answer 9

It will result in the security pin reengaging and the site penetration sequence will have to be re-accomplished.

Question 10

(401) 11. How many ladder sections are there [BISMP] and [AISMP] and what connects the ladder to the top of the secondary door?

Answer 10

[BISMP] four sections [AISMP] three sections; shear [BISMP] screw(s), [AISMP] bolt(s)

Question 11

(401) 12 What do the switches and indicators on the site activation remote control (SARC) allow for?

Answer 11

Topside command and control of secondary door and provide system status

Question 12

(401) 13. Where can you change the actuator’s mode of operation and what are the different modes? How is enhanced maintenance mode entered?

Answer 12

Front panel of the secondary door control assembly (SDCA); operational,maintenance and enhanced maintenance modes when the mode selector switch on the SDCA is set to maintenance and the EMA gearbox safety pin is engaged.

Question 13

(401) 14. Which secondary door control assembly (SDCA) panel could you turn the personnel access hatch (PAH) lights off from?

Answer 13

[AISMP] swing-out panel

Question 14

(401) 15. What would a steady alarm from the wall alarm indicate?

Answer 14

When secondary door is in motion

Question 15

(401) 16. [BISMP] What can the security pit control station selector switch do if the EMLA control box switch was set to RAISE?

Answer 15

The secondary pit switch cannot stop door motion, but can only reverse direction of travel

Question 16

(401) 17. [BISMP] What does the emergency drive shaft rod engage in the manual drive guide?

Answer 16

The pressure is transferred to the driver shaft which causes the cam collar to engage a release lever which then releases tension on the friction disks to enable the motor drive shaft rotation.

Question 17

(402) 1. What component stores up energy for on-demand use when the LF commercial power cannot meet that demand?

Answer 17

The energy storage system (ESS) which gets power from the motor drive cabinet.

Question 18

(402) 2. What does the motor drive cabinet (MDC) prevent the secondary door from doing?

Answer 18

From over traveling the maximum extended length of approximately 199 inches and restricts the secondary door retracted length of approximately 51 inches.

Question 19

(402) 3. At what rate does the EMA raise and lower the secondary door respectively?

Answer 19

Raises at a nominal rate of 10 inches per second and lowers the secondary door at a nominal rate of five inches per second.

Question 20

(402) 4. What allows positioning control and position status monitoring of the secondary door?

Answer 20

The incremental and absolute encoders

Question 21

(403) 1. When will LF forced entry be performed?

Answer 21

After all nondestructive methods to open the secondary door have been exhausted.

Question 22

(403) 2. What part of the LF is partially destroyed?

Answer 22

The launcher closure (LC)

Question 23

(403) 3. What must occur for the launcher closure (LC) lock to be unlocked?

Answer 23

The lock pins to clear the lock housing

Question 24

(403) 4. What is the purpose of the recovery strap?

Answer 24

To secure the cable pin to the multiplying linkage, thereby preventing it from impacting the RS.

Question 25

(403) 5. What action must be performed immediately after both EMT technicians enter the LER?

Answer 25

Install the safety control switch (SCS) lock pin into the distribution box and retain the key in their possession.

Question 26

(403) 6. What is work on the secondary door limited to after the safety control switch (SCS) lock pin is installed?

Answer 26

Bypassing a faulty lock, freeing binding locking bolts, removing a faulty EMLA/EMA brake, or an [AISMP] inoperable security pin to permit lowering the secondary door.

Question 27

(404) 2. What might be attached to the clutter monument and what is its purpose?

Answer 27

A clutter (steel plate); to increase the clutter decibel level

Question 28

(404) 3. What is reported to the LCC when the receiver/transmitter (R/T) alarm set drawer detects a change in DC voltage on the switch loop line?

Answer 28

An IZ alarm