Describe the two most popular ways to measure the air volume supplied by the system blower.
What will be an ideal response?
Measuring the average velocity in the main trunk line and multiplying the velocity by the cross-sectional area of the supply duct. (Determining the average velocity in the duct system is accomplished by using the traverse method.)
Measuring the airflow at each supply register location and adding up the individual airflows to obtain the approximate system airflow.
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Which of the following is NOT found in heavy duty diesel engines?
A. wet liners B. parent bore C. dry sleeves D. wet/dry liners
Lime is made by
A) mixing crushed limestone with sulfuric acid and then pulverizing the mixture. B) mixing crushed limestone with water and then pulverizing the mixture. C) mixing crushed limestone with nitric acid and then pulverizing the mixture. D) heating crushed limestone and then pulverizing it.
Pathogenic bacteria are commonly known as:
What will be an ideal response?
According to the text, which tool is always in a carpenter's tool belt for marking square lines when cutting material?
A) Speed Square B) Try square C) Framing square D) Sliding T-bevel