Which of the following results when the blower is arranged to blow air into the combustion chamber?
a. induced draft
b. reduced draft
c. forced draft
d. primary air
ANSWER: c
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Which of the following is TRUE?
A. The Assistant Service Manager (ASM) and the Service Consultant are the same job, just different titles B. The ASM job expectations are the same at all service facilities C. Both A and B are correct D. Neither A nor B are correct
Histograms or frequency plots are best described as:
a. a graphical tool used to understand variability. b. constructed with a block of data separated into five to twelve bars or sections from low number to high number. c. will resemble a bell if the data is in control d. all the above
Which of the following is one of the five kingdoms into which living things are classified?
a. Animalia c. Protista b. Plantae d. All answers
In a wastewater system, the water entering the condenser is 85°F and the water leaving the condenser is 90°F. Which of the following statements is a logical explanation for the above conditions?
A. reduced water flow through the condenser B. water regulating valve stuck in the wide-open position C. excess water flow through the condenser D. both b and c