Vehicle Suspension/Tires/Steering

Question 1

Name all Suspension Spring systems

Answer 1

1. Leaf Spring
2. Torsion Bar
3. Coil Spring
4. Air Spring

Question 2

What is sprung weight?

Answer 2

Anything supported by the spring

Question 3

Unsprung weight is?

Answer 3

Weight of components not supported by springs (best rides have minimal unsprung weight)

Question 4

Coil Spring Description

Answer 4

Spring steel wound in a circular twist, compresses and bounces back, compresses evenly for every 100 pounds

Question 5

Lear spring Description

Answer 5

Typically used on solid axles cheap and effective (Most trucks have multi leaf system)

Question 6

Mono Leaf Spring

Answer 6

Single spring bar, thicker in middle and thinner towards the edge

Question 7

Constant rate springs

Answer 7

Front bracket holds leaf spring, U-bolt holds leaf spring to axle

Question 8

Air spring and types?

Answer 8

Used on both trucks and cars, sensors determine if more air is needed in the vehicle

1. Sleeve type (single air bag)
2. Double Convoluted

Question 9

Torsion bar

Answer 9

A bar that twists, compound through lateral space

Question 10

Macpherson Strut suspension

Answer 10

Has coil spring and shock absorber in the middle

Question 11

Double wish bone suspension

Answer 11

Has support from top and bottom named double wish bone (top is smaller then bottom support)

Question 12

Wheel Construction

Answer 12

Steel, Magnesium, aluminum

Question 13

Wheel offset (How far the drum is from the center wheel)

Answer 13

Rim, width, diameter, flange mounting (the bolts used)

Question 14

Hub Piloted

Answer 14

Past 2000 washer wheel rests on hub

Question 15

Stud Piloted

Answer 15

No washes exposed

Question 16

Role of tire construction?

Answer 16

Good traction, absorb road shock, withstand side thrust, transfer braking, and driving torque

Question 17

Name all Categories of tire Tread?

Answer 17

1. Directional: Only meant for one direct
2. Non Directional: Can go either way
3. Asymetric: Different on either side of tire, used on high end cars.

Question 18

Spare tires

Answer 18

1. Matched: Normal Size tires

2. Compact spare: Smaller tire (donut or blow up)

Question 19

Profile of a tire

Answer 19

The physical size of the tire

Question 20

TPMS

Answer 20

Tire pressure monitoring system

Question 21

What is a run flat?

Answer 21

Huge rubber insert to use in emergency flats (get the hell back to base)

Question 22

Bogie Suspension

Answer 22

One axle goes up the other goes down like a scale

Question 23

Torque rods

Answer 23

Transmit torque from axle to body of vehicle

Question 24

Electronically Controlled suspension

Answer 24

Magneride suspension system, used on only high end cars do to its smooth comfortable ride and expensive costs