Multiple Choice
When must a thermostat be fully opened?
A) 20 degrees Fahrenheit (11.1 degrees Celsius) above the "start to open temperature"
B) 3 degrees Fahrenheit (1.67 degrees Celsius) above or below its temperature rating
C) 3 degrees Fahrenheit (1.67 degrees Celsius) above its temperature rating
D) 20 degrees Fahrenheit (11.1 degrees Celsius) below the "start to open temperature"
Correct Answer:

Verified
Correct Answer:
Verified
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