What pressure units are used on the enthalpy diagram?
A) Pascals B) Bars C) Psig D) Psia
D
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One important difference between fiberglass board insulation and duct wrap is that board insulation is _____.
a. sold in rolls b. rigid or semi-rigid c. used in cryogenic applications d. used in refractory applications
_____________________ valves are used either to split flow between multiple circuits or tocontrol the flow andspeed of an actuator.
Fill in the blank(s) with the appropriate word(s).
A group of 50 computer science students were taught introductory computer programming class with an innovative teaching method that used a graphical interface and drag-and-drop methods of creating computer programs. At the end of the class, 43 of these students said that they felt confident in their ability to write computer programs. Another group of 40 students were taught the same material using a standard method. At the end of class, 25 of these students said they felt confident. Assume that each class contained a simple random sample of students. Find a 99% confidence interval for the difference between the proportions of students who felt confident.
What will be an ideal response?
What material is used for air conditioning drain lines?
A) CPVC B) Galvanized iron pipe C) PVC D) Copper