The contacts of a current starting relay are:
A) Either normally open or normally closed depending upon the compressor.
B) Modulating.
C) Normally open.
D) Normally closed.
C
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Both ferrous and nonferrous metals are subject to ____ corrosion.
A. galvanic B. tempered C. oxide D. precipitated
____ is the point in low and medium carbon steels at which the metal begins to stretch when force (stress) is applied and after which it will not return to its original length.
A. Yield point B. Elongation C. Minimum tensile strength D. Charpy V notch
A headhouse is a central building that is used for offices, storage, and workspace without attached greenhouses
Indicate whether the statement is true or false
A certain store contains three balanced three-phase loads. The three loads are:
Load 1: 16 kVA at 0.85 pf lagging Load 2: 12 kVA at 0.6 pf lagging Load 3: 8 kW at unity pf. The line voltage at the load is 208 V rms at 60 Hz, and the line impedance is (0.4 + j0.8) ?. Determine the line current and the complex power delivered to the loads.