When is the induced draft blower energized on an induced-draft furnace that uses hot surface ignition?
A) On the initial call for heat B) At the same time the gas valve is energized
C) After the igniter has been energized D) After the draft switch closes to prove the draft
A
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Of the heat produced in the human body, which is by perspiration?
A. Conduction. B. Convection. C. Radiation. D. Evaporation.
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Use the accompanying figure. How much does the average mechanic earn in January?
A. $1,500 B. $1,600 C. $1,700 D. $1,800
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It is wise to consult with which of these professionals when starting your own business?
A) Insurance agent B) Accountant C) Lawyer D) All of these
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