What is the purpose of a Tattle Tale?
A) To tell the technician if the limits have opened at any time during the unit's operation
B) To prevent the limits from ever being exceeded in the furnace
C) To tell the electric furnace to turn off if the limits have been exceeded
D) To tell the technician if the furnace is turning on properly
Question 2
Communicating systems operate by:
A) Sending control signals over telephone wires.
B) Sending serial computer communications down a small number of wires.
C) Sending 24 V to each component that must be energized.
D) Connecting to the manufacturer's website via satellite connections.
Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu
A typical beginning technician tool set that includes the basic tools to get started.
A technician-made adapter used to test exhaust system back pressure.
The connector must be opened (disconnected) to check and/or adjust the ignition timing. On DIS/EDIS ...
How to evaluate limits using algebra and the limit laws
Computing Limits Problems