Lesson 5
PRACTICE EXERCISE
1.
The radiator core consists of
a.
tubes and fins.
b.
a tank and baffles.
c.
an impeller and a housing.
2.
What are the two spring-loaded valves in a radiator cap called?
a.
Pressure and steam
b.
Hot flow and cold flow
c.
Pressure and vacuum
3.
Small coolant leaks are likely to be moist if the cooling system contains
a.
arctic antifreeze.
b.
ethylene glycol.
c.
plain water.
4.
What is indicated if the oil on the dipstick is a milky color?
a.
Improper grade of oil
b.
Oil level too low
c.
Coolant in the oil
5.
If an engine does not reach its normal operating temperature, the cause is most likely to be a
defective
a.
coolant pump.
b.
thermostat.
c.
head gasket.
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