4-19. What component on the NACES protects 
the occupant in the event of rapid 
forward 
deceleration? 
1 . Static lanyard 
2 . Spring loaded withdrawal plunger 
3 9 Shoulder harness reel 
4 a Shoulder harness strap quadrant 
4-20. Which of the following is a charac- 
teristic of the PRDM? 
1 . Has a cylindrical body 
2 8 Has a gas operated secondary 
cartridge 
3 . Is a sealed unit 
4 . Each of the above 
4-21. The PRDM primary cartridge is fired 
by what means? 
1 . Mechanically 
2 . Ballistically 
3 . Electrically 
4 * Gas 
4-22. The PRDM can be initiated by which of 
the following means? 
1 . Electronic sequencer 
2 . Manual override system 
3 0 Restraint release unit 
4 I Each of the above 
4-23. The parachute withdrawal line is 
attached to the PDRM by what means? 
1 . By scissor mechanism 
2 * By a bolt and lock nut 
3 . By a sliding stirrup 
4 . By a spring-loaded quick release 
pin 
4-24. The electronic sequencer is mounted 
on the NACES at what point? 
1 * Across the mainbeam assembly 
behind the seat bucket 
2 . Across the mainbeam assembly 
above the main parachute 
3 8 Across the mainbeam assembly 
below the main parachute 
4 . Across the mainbeam assemblys 
lower aft end 
4-25. Upon activation, the electronic 
sequencer determines the mode of 
ejection and supplies power to the 
start switches? 
1 . True 
2 a False 
4-26. Which of the following is a function 
of the barostatic release unit 
impulse cartridge? 
1 6 Provides the necessary gas for 
the restraint release assembly 
2 . Provides the necessary gas 
pressure to retract the capsule 
Peg 
3 . Provides the necessary gas to 
prevent mechanical initiation 
4-27. What component of the barostat 
assembly prevents the delay 
mechanism from operating at 
altitudes in excess of barostat 
ratings? 
1 . Quick release pin 
2 . Bellows device unit 
3 . Peg engagement mechanism 
4 . Diaphragm assembly 
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