Approximately ____ of households in the United States have at least one dog
a. 12% c. 39%
b. 21% d. 53%
C
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A(n) ____________________ contains two circuits. One circuit is in series with the armature and has the armature current flowing through its thermal sensor or heating element; the second circuit is the control circuit with a control contact.
Fill in the blank(s) with the appropriate word(s).
What is the current in amperes in a 3-phase circuit when the load is 67.5 horsepower, the efficiency is 90%, the voltage is 440 volts, and the circuit power factor is 0.80? Round the answer to the nearer hundredth.
Fill in the blank(s) with the appropriate word(s).
By choosing the correct values of resistance and capacitance, the voltage applied to the load can be controlled from ____.
a. 0 to half its value b. 0 to its full value c. 0 to its double value d. half its vault to its full value
A ____-amp branch circuit supplies the laundry receptacle outlets.
a. 5 b. 10 c. 15 d. 20