In an induced draft gas furnace, the first component to energize on a call for heat is:
A) The gas valve. B) The indoor blower.
C) The hot surface igniter. D) The induced draft blower.
D
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What explains why EHIs with Piezo actuators respond faster to energization signals from the injector drivers?
A. mechanical movement at the actuator does not depend on building a magnetic field B. piezoelectric signals travel faster C. piezo actuators are lighter in weight than solenoid actuators D. piezo actuators consume much more electricity than solenoid actuators
Gerbils are occasionally affected by ____________________, which are usually observed during handling
Fill in the blank(s) with correct word
What does the snowflake button on the dash do?
A) Selects defrost B) Selects defog C) Turns on the A/C compressor D) Selects fresh outside air
A cooling tower with its fan located in the air stream entering the tower, blowing the air through the tower, is:
A) A forced-draft cooling tower. B) A hybrid-draft cooling tower. C) An induced-draft cooling tower. D) A natural-draft cooling tower.