List the four categories of motor losses that affect motor efficiency.
What will be an ideal response?
The four categories of motor losses are:
• Core losses
• Friction and windage losses
• Copper losses
• Stray losses
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When applying an insulating cement to a large, hot, rectangular exhaust duct, you should apply the cement _____.
a. in a single thick layer b. in small spots and spread it to a thin uniform layer c. so as to cover a large area as quickly as possible d. in many small, thick blobs and smooth them into a thick layer
The public concerns about the use of Bt toxins center on which of the following?
a. competing cultural techniques c. effect on prey animals b. insect resistance to the toxins d. soil buildup of plant remains
Which microprocessor do IBM PC-compatible computers use?
A) 8086 B) 8080 C) 6809 D) 8085
Short-circuit or overload protection is an integral part of ________
A) most three-terminal regulators B) most op-amps C) most TRIACs D) most JFETs