What type of card reader does not require physical contact to occur?
A. Wiegand
B. Magstripe
C. ATM
D. All the above
A. Wiegand
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How many pieces of 16' lumber are needed for the soleplates and double top plates of a building 40' wide and 30' long?
a. 18 b. 27 c. 22 d. 33
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The SCR turns off by __________.
A. reducing the holding current value B. removing the positive potential at the gate C. both A and B
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Describe a resonant circuit.
What will be an ideal response?
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Very large air-conditioning loads are normally handled by:
A) Vertical packaged air conditioners. B) Packaged terminal air conditioners. C) Chillers. D) Rooftop packaged air conditioners.
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