Explain the difference between a wound-rotor armature and a squirrel-cage rotor
What will be an ideal response?
A wound rotor is made of coils in which current is supplied through slip rings and brushes to form an electromagnet; a squirrel cage rotor is made of laminated segments and its magnetic field is created by induction.
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Which of the following can help reduce discomfort from embedded glass fibers when working with fiberglass insulation products?
a. Taking a hot shower when the work is complete. b. Applying talcum powder before beginning. c. Applying lotion before beginning. d. Taking a cold shower before beginning.
Describe emergency situations for which a facility might order an evacuation.
What will be an ideal response?
The lower the Ra of a rotor, the ________ the surface
A) Higher B) Rougher C) Lower D) Smoother
The complement of a product of variables is equal to the ________ of the complements of the variables
Fill in the blank(s) with correct word