A ____ fitting is a standard or custom duct component that connects one duct size to a different duct size, or one duct shape to a different duct shape, or connects both different shapes and sizes.

A. transition
B. transmission
C. reduction
D. variation


Answer: A

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This type of section has a cutting plane line that staggers to pass through offset features of an object where the change in cutting plane direction is usually less than 90 ?.

a. full section b. half section c. offset section d. aligned section

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In which of the following applications would you most likely find a diesel particulate filter (DPF) classified as a low temperature filter (LTF)? 

A. on pre-2007 school buses B. on post-2007 school buses C. on pre-2007 linehaul trucks D. on post-2007 linehaul trucks

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Circular root growth tends to _____

A) girdle the root system B) restrict growth C) kill the trees in severe cases D) all of the above

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Which computer component generates a steady stream of one-bit long voltage pulses?

A) Central processing unit B) Clock generator C) Volatile memory D) Capacitor

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