Ramdom Flashcards
Mini compact (station cars)
Length 10 ft
Interior volume less 85 cubic feet
Wheelbase less than 86 inches
Subcompact cars
Passenger vehicles
Wheel base less than 100inchs
Compact cars
Wheelbase between 100-104 inches
4 doors trunks
Midsize cars
Wheelbase 105-109 inches
3-5 doors
Large (full-size) car
Wheelbase 110-114 inches
Luxury automobile
Rigid frames
Some have space frame or unibody
Vans
Holds up to 15 passengers and transports cargo
Also minivans
Fullsize vans
Minivans gvwr and primary function
Less than 8,000 pounds
Transport people
Construction technique in which an objects external skin supports the structural load of an object
Monocoque
Space frames weight about _______ than conventional steel or aluminum unibody frames
50% less
Hybrid vehicles HEV
Cables can carry up to 650 volts of DC
Plug in hybrid electric vehicles phev
Plug in to be charged and runs on electricity up to 40 miles when fully charged
Electric vehicles (EV)
Runs exclusively on electric from onboard batteries
No tail pipe emissions
Travel 60-80 miles a charge
Battery system about 650 lbs
400 volt lithium back located outside the vehicle under the car
Some models travel over 200 miles
Extended range electric vehicles (EREV)
Battery system about 400lbs
350 volt lithium ion battery back
Biodiesel classified as a non flammable liquid with a flash point of
320 degrees f
HID headlights operate on high voltage
Coverts 12v dc to 25,000 volts ac when headlight is turned on.
Once arc is formed voltage drops to 80 volts
Catalytic converters
Convert vehicles exhaust emission into less harmful material
Platinum
Rhodium
Palladium
3 common type of springs
Coil spring
Leaf spring
Torsion bar
Forward looking collision avoidance systems can scan distance of
330 for forward of the vehicle
Side sensing collision avoidance system is called what and senses objects
Active blind spot assistance
Senses objects from 6.5 to 30
Feet
Rear looking collision avoidance system senses distance of
20 ft
When did all passenger vehicles manufactured in the US have had to equipped
1968
Seat belts
Two types of HPS
Window curtains
Inflatable tubes
Neck protection system
Whiplash protection system
.03 to .04 to reduce risk of neck and spinal injuries
Bumper struts contain
Hydraulic fluid and compressed gas
Exposed to heat can launch bumper out to 100ft
Collision beams
Ordinary mild steel formed into corrugated beam
7 in wide 2 in thick across each side door
Tensile strength 20,000 - 23,000 psi
Easy to cut with hydraulic shears
High strength low alloy steel UHSS
HSLA steel tensile strength of 40,000 to 70,000
MA steel 110,000 to 215,000
UHSS up to 442,000
Relief cuts above and below the bar and the spreaders to move the end of the bar
When vehicles compressed front to back creating dead bolt lock
Roll cages withstand force equal to
2.5 times weight of the vehicle
