IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
Back pressure regulator- self contained
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Which of the following have voltage and amperage ratings that should always be checked?
a. manually operated switch b. system operated switch c. neither a nor b d. both a and b
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When comparing duct materials, none have a lower friction rate or are as durable as:
A) Sheet metal B) Ductboard C) Flex duct D) Fiberboard
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If a supply has internal resistance, the application of a load can affect the terminal voltage
Indicate whether the statement is true or false
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To establish a straight reference line for installing the first course of siding, you should measure _____
a. at four points on each side of the building b. down from the eaves c. up from the ground d. along the top of the foundation
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