A reset controller in a hydronic heating system is used to _____.
a. reset the burner after shutdown
b. control multiple zone valves
c. modulate pump water flow
d. monitor outdoor temperature
d. monitor outdoor temperature
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Electrical ____ examine the installation of electrical systems and equipment to ensure that they function properly and comply with electrical codes, standards, and regulations.
a. apprentices b. inspectors c. estimators d. foremans
Technician A says that an idle air control valve controls the airflow past closed throttle plates. Technician B says that the idle air control valve is usually controlled by a stepper motor. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
List the three power supplies that may be used to operate nail guns.__________________________________________________________________________________________
What will be an ideal response?
How can you dispose of water on top of the ground if it cannot enter the groundwater?
A) By altering the pH level of the water B) By draining the water to a lake off the property C) By redirecting the water into a well D) By redirecting the water to a holding pond