When used in a dehumidification application, the purpose of a heat pipe heat exchanger includes _____
a. removing sensible heat from the air supply
b. precooling the air entering the evaporator
c. preheating the air entering the evaporator
d. providing emergency heat if the compressor fails
b
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In the GMAW process, the electrode holder must be lowered steadily as the weld progresses to feed the electrode and maintain the correct arc length.
Answer the following statement true (T) or false (F)
When two or more wired partitions are electrically connected together, the cord must be terminated at an attachment plug-and-cord connector equipped with a _____.
a. strain relief device b. stress relief device c. site-isolating device d. positive locking device
?What cautions should be taken when welding on a pipe joint in a fixed position?
What will be an ideal response?
Which facility ground subsystem is also called the "signal ground" and controls electrical noise and static in a facility?
a. Earth electrode. b. Fault protection. c. Signal reference. d. Lightning protection.