A Triac is used for AC because
A) It is turned off when the ac voltage reaches zero.
B) It can deliver more power to the load in a cycle.
C) It conducts on both alternations.
D) All of the above.
Answer: D) All of the above.
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A “walk in” customer arrives and the qualified technician to do the job is busy with work. The service consultant should:
A. Let an unqualified technician do the work B. Schedule the customer for a later date when the qualified tech can do the job C. Promise the customer the job will be done today D. Have the qualified technician stop the current job and start on the “walk in “ customer’s job
This drawing shows a catalytic converter with exhaust gases entering the CAT. What are the gases changed to at the CAT outlet?
A. H2O and CO2 B. HCO and CO C. NOx D. Both A and C
The accompanying figure shows a(n) ____.
A. cleanout door B. wythe C. ash dump D. ash pit
The symbol ____ is often used to represent the values for dead loads.
A. DL B. LL C. FL D. RL