What causes coolant that was expelled from the system to the expansion tank to be return to the cooling system as the engine cools?
A. Water pump flow valve
B. Thermostat bypass circuit
C. Vacuum relief valve in the pressure cap
D. Pressure relief valve in the pressure cap
Answer: C
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Identify the sweet fluid that flowers secrete and insects use for food
A) nectar B) honey C) pollen D) syrup
The __________ __________ may be controlled by a cable, a vacuum diaphragm, or an electric motor.
Fill in the blank(s) with the appropriate word(s).
When the S input of an S-R latch is HIGH and the R input is LOW, the latch is in the
A) SET state. B) CLEAR state. C) RESET state. D) Cannot be determined.
Which of the following expresses the relationship between R-value and U-value?
A. U-value is the same as R-value B. U-value is the reciprocal of R-value C. R-value is U-value squared D. R-value is half U-value