The speed of a single-phase motor is determined by the number of stator windings and the _____
a. number of rotor windings
b. size of the armature
c. frequency of the applied voltage
d. volume of current applied
c
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What is the pressure acetylene is stored at in a standard acetylene cylinder?
A. 250 psi B. 1000 psi C. 1500 psi D. 2200 psi
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Figure 39-12
In the accompanying figure, when contact 1 closes, coil 100 will always be the ____________________ that turns on because it is scanned before coil 101.
Fill in the blank(s) with the appropriate word(s).
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Convert AC power to DC power using _____.
a. diacs b. NPN transistors c. rectifier diodes d. triacs
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The most reliable source of information on how to charge any particular piece of equipment is:
A) The equipment manufacturer. B) ASHRAE. C) AHRI. D) The local inspection authorities.
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