Exam 3 Flashcards
In response to federal regulations in the mid-19__s, technology using pyrotechnic devices was developed to solve earlier air bag problems.
1980s
Lap/Shoulder belts are ______ means of occupant restraint.
primary
Before deployment, the system is in a state of ______ unless a system fault is detected.
Readiness
All forward-facing child safety seats must be secured by a top _____ strap.
Tether
The primary impact sensors are located on the left and right front _____ rails or in the center of the radiator support.
Frame
Wear your seat belt and ensure a minimum of __cm.
25 cm
______ safety technologies are systems that are designed to avoid collision mitigation systems, also known as ADAS.
Proactive
Replacement windshield glass and adhesives must meet the specified requirments MVSS ___/___.
212/216
When the steering wheel is in a straight-ahead position, the clockspring is designed to move . turns of the steering wheel in one direction _ turns total.
2.5 turns
5 turns
Air bag systems are _________ to the seat belt systems.
Supplemental
The pre-tensioners are controlled by the ____.
ASDM
The reaction housing is constructed of ________ with steel end caps.
Aluminum
Once the child is 6 years of age or is more than __ kg you may use the vehicle seat belt system.
18 KG
Front seat belt retractors are usually located at the base of the centre or _ pillar, while rear seat belt retractors are usually located in the ____ panel area under the parcel shelf or inside the quarter panel.
B pillar
Sail
The inflator produces a large quantity of nitrogen, this entire sequence takes place in less than 1/__ of a second.
1/20
A typical sensor is composed of a gold-plated ball or sensing mass that is held in place by a magnet. The magnet holds the ball about _mm away from a set of electrical contacts. The contact remains closed for approximately _ milliseconds.
3mm
3
The most common anchoring system of seat belt components is to the ____ of the vehicle. Some systems have their anchors attached to the seat frame and are known as an all ____ to seat system.
body
belts
Some manufactures use compressed _____ gas to inflate the bag rather than sodium azide.
Argon gas
The applied force must be at least equal to the minimum force required for deployment and must occur within __ degree window, no more than __ degree from either side of the vehicle centre line
60 degree
30 degree
An accelerometer sensors contains a _________ element that is distorted during a collision. The element generates an analog voltage.
Piezoelectric
The air bag is a cloth or nylon cushion with a lining coated with _______ or ___.
Cornstarch or talc
Typically the side impact air bags will deploy in __ ms
11 ms
A child who is under the age of 6 years and whose weight is between 9 kg and __ kg (20lb and 40lb) must be properly secured in a forward-facing child seat.
18 kg
When the sodium azide is ignited it produces ______ gas.
Nitrogen
After deployment, the surface of the air bag may contain a powdery residue. This power consists primarily of cornstarch or talc and by-products of the chemical reaction. Sodium _______ dust is produced as a by-product of the deployment reaction.
Hydroxide
The primary impact sensors will close during a __ km/h impact, but not under 16km/h. A safing sensor closes during an impact of less than __km/h confirming their is a crash.
22km/h
16km/h
In vehicles equipped with side air bags, newborns and infants under __ lbs should always be secured in the rear seat.
20 lbs
Wait for about __ minutes before touching any metal surfaces of the inflator module.
10 minutes
Many ASDM modules contain a __-volt back-up power supply.
36 volt
A child from birth to under _ kg (20lb) must be in either a rear-facing infant seat or a rear-facing convertible seat.
9 kg
The diagnostic module is sensitive to ESD ______ _____
electrostatic discharge
An air bag enhancer pack is filled with sodium _____.
Azide
Engineering a vehicle which uses a variety of materials us a common practice that most manufacturers are embracing called ______ Media.
Mixed
A ____ bolster is built into the lower part of the instrument panel on the lower portion of the dash carrier.
Knee bolster
Depending on the physical size of the occupants and their positioning in the seats, the knee bolsters prevent the driver or front seat passengers from sliding in a forward and down direction, which is known as ________.
Submarining
ASDM Air bag _____ diagnostic module
System
The air bag inflator module are made from _______ steel.
Stainless
______ sensors detect impact direction and severity and signal the inflator module to deploy.
Impact
In order to allow the air bag system to discharge allow _ to __ minutes before servicing.
5 to 30
The sodium hydroxide dust reacts quickly with the atmospheric moisture and is converted to sodium _______ and sodium _______.
Sodium carbonate/bicarbonate
______ systems are designed to help during or after a collision.
Reactive
Whiplash injuries comprise over __% of all motor vehicle collision claims. Whiplash-type injuries account for __% of the cost of insurance premiums.
70%
25%
Never store live modules near loose or flammable objects or near a heat source capable of producing __ degrees.
65 degrees
Inside the side impact inflator module is a side impact sensing module (SISM) that houses a ______-sensing device.
Velocity-sensing
The safest place for a child under 12 years of age is the center of the ____ seat.
rear
The ___________ type sensor is is widely used in both front and side air bag systems of late-model vehicles.
Accelerometer
In most systems, at least ___ sensors must be activated in order for the air bag to inflate.
Two