Soot appearing on the burners and heat exchangers could indicate a _____.
a. lack of primary air
b. lack of secondary air
c. weak igniter
d. flame rollout is occurring
a. lack of primary air
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When the service consultant makes a mistake and does not verify the warranty details after the dealer has been paid, this can result in a _________.
A. Recall B. Deductible C. Chargeback D. Goodwill
Below are five properties, with an example of the units in which that property could be expressed. Which units are wrong for the property?
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The filter in Fig. 14.90(b) has a 3-dB cutoff frequency at 1 kHz. If its input is connected to a 120-mV variable frequency signal, find the output voltage at:
 figure 1.png)