The equalizer line of an externally equalized TXV is best attached _____
a. downstream of, and near, the sensing bulb
b. at the inlet of the evaporator coil
c. downstream of any suction line traps
d. downstream of any other valves in the suction line
a
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A K-series steel joist that is 20 in. deep cannot be used to span more than
A) 20 ft. B) 25 ft. C) 40 ft. D) 30 ft. E) 35 ft.
Layout is an allowance for the cost of helpers assisting a surveyor, an engineer, or the project superintendent with survey work involved in setting out the lines and levels of the project.
Answer the following statement true (T) or false (F)
The rate or derivative mode:
a. is designed to reduce the difference between the set point and process variable by adjusting the controllers output continuously until the offset is eliminated b. the amount of material that passes by the internal elements. c. enhances controller output by increasing the output in relationship to the changing process variable. d. the difference ? between the upper and lower range limits.
Explain how a switch loop for a single-pole switch following the requirements of Section 404.2(C) is wired. Assume the use of Type NM cable.
What will be an ideal response?