Steering Flashcards
What is the primary purpose of steering in a vehicle?
a) To control the speed
b) To allow directional control
c) To improve fuel efficiency
d) To reduce tire wear
b) To allow directional control
Which two key components are essential for a steering system?
a) Engine and transmission
b) Brakes and suspension
c) Tires and steering mechanism
d) Wheels and axles
c) Tires and steering mechanism
When is side force generated on a tire?
a) When the tire is stationary
b) When the tire is rolling straight
c) When there’s a difference between the tire’s intended path and actual velocity
d) When the tire is perfectly aligned with the vehicle’s direction
c) When there’s a difference between the tire’s intended path and actual velocity
What is the angle between a tire’s intended path and its velocity vector called?
a) Steering angle
b) Camber angle
c) Caster angle
d) Slip angle
d) Slip angle
In low-speed turning, what is the instantaneous center of rotation (Ic) in rigid body kinematics?
a) The point around which the body appears to rotate
b) The center of the steering wheel
c) The midpoint between the front wheels
d) The rear axle of the vehicle
a) The point around which the body appears to rotate
Which steering layout is designed to approximate ideal turning geometry?
a) Parallel steering
b) Ackermann steering
c) Four-wheel steering
d) Rear-wheel steering
b) Ackermann steering
In the Ackermann layout, how does the inside wheel turn compared to the outside wheel?
a) The inside wheel turns less
b) The inside wheel turns more
c) Both wheels turn equally
d) The inside wheel doesn’t turn at all
b) The inside wheel turns more
Which steering mechanism is commonly used in light trucks?
a) Rack and pinion
b) Worm and roller
c) Ball and socket
d) Tie rod and linkage
b) Worm and roller
What is the main advantage of power steering?
a) It improves fuel efficiency
b) It reduces the effort required to turn the wheels
c) It increases the vehicle’s top speed
d) It eliminates the need for a steering wheel
b) It reduces the effort required to turn the wheels
In a rack and pinion steering system, what directly connects the steering wheel to the wheels?
a) A hydraulic system
b) A series of gears
c) A mechanical linkage
d) An electronic control unit
c) A mechanical linkage
What is the primary function of the slip angle in tire dynamics?
a) To increase tire wear
b) To generate side force
c) To reduce steering effort
d) To improve fuel efficiency
b) To generate side force
In rigid body kinematics, what is true about the velocity of any point on a turning vehicle?
a) It’s parallel to the line from the instantaneous center of rotation
b) It’s perpendicular to the line from the instantaneous center of rotation
c) It’s always constant regardless of distance from the center
d) It’s inversely proportional to its distance from the center
b) It’s perpendicular to the line from the instantaneous center of rotation
Why is the Ackermann steering geometry designed with the inside wheel turning more than the outside wheel?
a) To increase turning radius
b) To reduce tire wear
c) To improve straight-line stability
d) To decrease steering effort
b) To reduce tire wear
In the Ackermann layout, how should the track rod be positioned relative to the king pins?
a) Shorter than the distance between king pins
b) Equal to the distance between king pins
c) Longer than the distance between king pins
d) Perpendicular to the king pins
c) Longer than the distance between king pins
Which steering mechanism is commonly used in passenger cars?
a) Worm and roller
b) Rack and pinion
c) Recirculating ball
d) Tiller steering
b) Rack and pinion
