Flexible duct is very popular for a number of reasons. List five of these reasons.
What will be an ideal response?
ease of installation
minimal skill requirements for installation
no custom fabricated sections are needed for the branch lines
shorter installation time
low material cost
no specialty tools required for installation
available in a wide range of sizes (from 4 inches to more than 24 inches in diameter)
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Building plans, including all of the elements that make up a complete set of residential or commercial drawings, contain general and specific information about construction.
Answer the following statement true (T) or false (F)
Cycles per second is also called a
A) hulen. B) hertz. C) newton. D) pascal. E) none of the above.
How does hardscape paving differ from softscape paving? In what situations would
you choose one material over the other?
What will be an ideal response?What is the compression ratio of a compressor with a suction pressure of 120 psig and a discharge pressure of 480 psig?
A) (480 - 15 ) / (120 - 15 ) = 465 / 105 = 4. 4 to 1 B) (480 + 15 ) / (120 + 15 ) = 495 / 135 = 3. 67 to 1 C) 480 / 120 = 4 to 1 D) (480 ? 120 ) / (480 + 120 ) = 57,600 / 600 = 96 to 1