Comparing motors, note the advantages of both DC and AC motors.
What will be an ideal response?
An AC motor weighs less than an equivalent DC motor.
AC motors are reliable; the only moving part is the rotor. The rotor shaft bearings are sealed and are maintenance-free. There are no brushes or commutator.
To make the same power as a DC motor, an AC motor runs at higher voltage and uses less current.
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Which federal agency regulates automobile emissions in the United States?
A) FBI B) DOT C) EPA D) USPS
Concrete from a central mix plant is _____.
The type of compound commonly called 20-minute mud, 30-minute mud, or hot mud is _____ compound
a. timed b. minute c. quickset d. premix
A halide torch will only detect products containing halogen compounds.
Answer the following statement true (T) or false (F)