1. All of the following may be used
for
fuel line EXCEPT:
a. Copper tubing
b. Neoprene hose
c. Nylon tubing
d. Steel tubing
2. On a carbureted engine, the fuel
filter usually attaches to the lines
with:
a. Spring-lock fittings
b. Flare nut fittings
c. Compression fittings
d. Hose clamps
3. A good mechanical fuel pump
operating at 500 RPM will deliver
one quart or liter of fuel in about:
a. 15 seconds
b. 30 seconds
c. 45 seconds
d. One minute
4. Which of the following is the typical
operating pressure range of a
throttle body injection system?
a. 5 to 10 psi
b. 10 to 15 psi
c. 15 to 25 psi
d. 25 to 35 psi
5. With the fuel pump running and a
pressure gauge installed, applying
vacuum to the fuel pressure
regulator should cause gauge
readings to:
a. Increase about 5 to 7 psi
b. Increase about 10 to 15 psi
c. Decrease about 5 to 7 psi
d. Decrease about 10 to 15 psi
6. The primary purpose of the
pressure regulator in a fuel
injection system is to:
a. Limit pressure produced by the
pump
b. Maintain uniform pressure at the
injectors
c. Control the air-fuel ratio
d. Maintain residual pressure for
quick startup
7. The signal carried by the ground
wire on a potentiometer is also
known as:
a. Signal voltage
b. Reference voltage
c. Return voltage
d. System voltage
8. An oscilloscope can be used to
monitor electronic injector:
a. Opening pressure and delivery
volume
b. Solenoid coil resistance
c. Flow balance
d. Pulse width and duty cycle
9. To check the boost pressure of a
turbocharger, a pressure gauge is
installed in the:
a. Compressor side of the turbo
b. Turbine side of the turbo
c. Wastegate of the turbo
d. Intake manifold
Chapter
C
: Review Questions
72
Summary of Contents for ASE-A8
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