SRS systems

what does SRS stand for

• supplementary restraint system
• simple restraint system 
• supplementary residual system
• simon raider stands

how long must you disconnect the battery before carrying out maintenance on a SRS system

• 25 mins
• 60 mins
• 15 mins
• 1 hour

why is a capacitor used in an SRS ECU

• to activate the airbag early
• to activate the airbag in case of battery loss
• to absorb voltage to stop airbag detonating 
• to shock people from working on the system

how many ms does it take to fully inflate the drivers airbag?

• 10ms
• 50ms
• 150ms
• 100ms

how many ms does it take for the drivers airbag to go through its full inflation and deflation 

• 150ms
• 50ms
• 100ms
• 200ms

why is there a powder substance included in the airbag detonation? 

• to look pretty
• to deflate the airbag whenneeded
• to increase drivers comfort
• to reduce friction and lubricate

the pretensioners activate at the same time as the drivers airbag 

• true
• false 

what is another name for a clock spring

• squib
• squad
• squid
• squill

the purpose of a pretensioner is

• to scream a warning during a collision 
• to release the seat belt during a collision
• to hold the driver in position during a collision
• to allow the driver movement during a collision

which of the following is a type of front crash sensor

• ball and magnet
• wood and cotton
• chip and pin
• worm and roller