Because the diac is a bidirectional device, it will conduct on either half cycle of the alternating current applied to it.
Answer the following statement true (T) or false (F)
True
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To ensure the stability of the track repair joint, the scoring break should be at least two and one-half to three times the ____________________ of the pad area.
Fill in the blank(s) with the appropriate word(s).
Compared to a 50 × 100 cm county soils map, a 20 × 28 cm map of the United States would be considered to be a larger scale map
Indicate whether the statement is true or false
MERV filter rating system:
A) Compares the airflow resistance of different filters when they are new. B) Compares the overall arrestance value of all sizes of particles. C) Compares the arrestance value of 12 different ranges of particle size. D) Compares the airflow resistance of different filters when fully loaded.
Whenever a thermal limit or fusible link needs replacing, the technician should always check:
A) The thermostat calibration. B) The transformer control voltage. C) The power wire for voltage drop. D) The air filter and airflow.