What components on an oil furnace should be changed annually?
What will be an ideal response?
The fuel line filter and the nozzle.
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A fire alarm system that permits discrete identification of alarm signals at the detector level is a(n) _____.
a. addressable system b. multiplex system c. conventional hardwired system d. zoned system
The most highly heritable traits rely on the environment for how much of the measured phenotypic outcome?
a. more than half c. roughly one-quarter b. about one-third d. nearly all
The conductor that is used to connect grounding electrodes together to form the grounding electrode system is _________.
A. A bonding conductor B. A grounding electrode conductor C. An equipment grounding conductor D. An equipment bonding jumper
An auto boost circuit is activated if extra current is needed when __________.
A. the motor is starting B. the motor is running at a low RPM C. both a and b