Page 234 - Understanding Automotive Electronics
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2735 | CH 6 Page 221 Tuesday, March 10, 1998 1:10 PM
SENSORS AND ACTUATORS 6
Quiz for Chapter 6
1. What does a sensor do? 5. The crankshaft angular position
a. it selects transmission gear sensor measures
ratio a. the angle between the
b. it measures some variable connecting rods and the
c. it is an output device crankshaft
d. it sends signals to the driver b. the angle between a line
drawn through the crankshaft
2. What does an actuator do?
a. it is an input device for an axis and a mark on the
flywheel and a reference line
engine control system
b. it provides a mathematical c. the pitch angle of the
crankshaft
model for an engine
c. it causes an action to be d. the oil pressure angle
performed in response to an 6. The Hall effect is
electrical signal a. the resonance of a long,
d. it indicates the results of a narrow corridor
measurement b. the flow of air through the
intake manifold
3. What is a MAP sensor?
c. zero crossing error in camshaft
a. a sensor that measures
position measurements
manifold absolute pressure
b. a vacation route planning d. a phenomenon occurring in
semiconductor materials in
scheme
c. a measurement of fluctuations which a voltage is generated
that is proportional to the
in manifold air
d. an acronym for mean strength of a magnetic field
atmospheric pressure 7. A mass air flow sensor measures
a. the density of atmospheric
4. What is an EGO sensor?
air
a. a measure of the self- b. the composition of air
centeredness of the driver
b. a device for measuring the c. the rate at which air is flowing
into an engine measured in
oxygen concentration in the
terms of its mass
exhaust of an engine
c. a spark advance mechanism d. the flow of exhaust out of the
engine
d. a measure of crankshaft
acceleration
UNDERSTANDING AUTOMOTIVE ELECTRONICS 221
