Vertical pipe runs should be supported at each floor level using _____.
a. clevis hangers
b. riser clamps
c. beam clamps
d. trapeze hangers
b. riser clamps
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Foreign trade enhancements include
A) Instituting quotas on food imports. B) Reducing tariffs on food imports. C) Increasing the value of the dollar. D) None of the above.
Consider the following data at 298.15 K: Psat (1) = 50 kPa; Psat (2) = 150 kPa. If the liquid behaves as an ideal solution, what can you say about the properties of this mixture?
A. When the liquid is very rich in component (2), the bubble-point pressure approaches 50 kPa. B. The azeotrope for this system will occur when the system is equimolar. C. The bubble-point pressure of an equimolar mixture will be 100 kPa at 298.15 K. D. The system likely has an excess molar enthalpy in the 50 to 150 J/mol range. E. All of the above are true.
Homeowners can cut utility bills by ____% or more by following energy audit recommendations.
A. 15 B. 20 C. 25 D. 30
A TRIAC is equivalent to two SCRs connected in ____________________, back to back.
Fill in the blank(s) with the appropriate word(s).