Why does the draft switch close?

A) to power the fan B) to energize the thermostat
C) to reset the igniter D) to prove the draft


D

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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS

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Technician A says to clean an aluminum engine in an alkaline solution for best results. Technician B says for best results, disassemble the heads before hot tanking. Which technician is right?

A. Technician A B. Technician B C. Both technicians D. Neither technician

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The use of pickling as a method of preserving food is only about 20 years old

Indicate whether the statement is true or false.

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In a long line Pi model, we use series impedance Z’ and shunt admittance Y’/2. In the short line model, we use:

A. Series impedance Z’ and shunt admittance Y’/2 B. Series impedance Z’ and shunt admittance Y/2 C. Series impedance Z and shunt admittance Y/2 D. Series impedance Z and shunt admittance 0 E. Series impedance 0 and shunt admittance 0

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