Page 419 - Understanding Automotive Electronics
P. 419
2735 | CH 11 Page 406 Tuesday, March 10, 1998 1:30 PM
11 FUTURE AUTOMOTIVE ELECTRONIC SYSTEMS
Quiz for Chapter 11
1. Engine performance may be 5. Doppler shift has potential
improved in the future by automotive application for
a. tuning the intake manifold a. measuring the speed of
b. use of variable compression passing trains
ratio b. automatic gear changing
c. variable valve timing c. measuring vehicle speed over
d. all of the above the road
d. none of the above
2. One potential engine control
strategy based on a feedback signal 6. The major problem associated
from cylinder pressure may with a practical low tire pressure
incorporate sensor is
a. a piezoelectric cylinder a. developing a means of getting
pressure sensor the electrical signal from the
b. a new MAP sensor rotating sensor to the car body
c. an exhaust air/fuel sensor b. developing a sensor that can
d. none of the above measure relative pressure
c. absolute pressure calibration
3. An airbag is
d. measuring tire pressure when
a. a mechanism for occupant
the vehicle is stopped
protection in a car
b. a container for use in case of 7. A CRT has potential automotive
airsickness application for
c. an impact sensor a. controlling vehicle motion
d. all of the above b. recording vehicle transient
motion
4. One concept for automotive
collision avoidance involves c. monitoring entertainment
systems
a. braking rapidly in dangerous
d. displaying information to the
situations
b. measuring the round-trip time driver
of a radar pulse from 8. The term HUD refers to
protected car to collision a. housing and urban
object development
c. aircraft surveillance of b. heads up display
highways c. heads up driver
d. wheel speed sensors d. none of the above
406 UNDERSTANDING AUTOMOTIVE ELECTRONICS