Which of the following motors provides constant speed from no-load conditions to full-load conditions?
a. Series DC
b. Squirrel cage induction
c. Synchronous
d. Shunt DC
c. Synchronous
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Gears produced by a grinding process are categorized either as conforming (suitable for their intended purpose), downgraded (unsuitable for the intended purpose but usable for another purpose), or scrap (not usable). Suppose that 80% of the gears produced are conforming, 15% are downgraded, and 5% are scrap. Ten gears are selected at random.
a. What is the probability that one or more is scrap? b. What is the probability that eight or more are not scrap? c. What is the probability that more than two are either downgraded or scrap? d. What is the probability that exactly nine are either conforming or downgraded?
Which of the following statements is incorrect?
A) All planning is based on long-term organizational goals. B) You should always consider your core competencies when planning. C) Short-range planning helps you to adjust when unexpected events occur. D) Tactical planning is commonly the source for your annual goals and objectives.
A copper tube should not be deburred after cutting when _____
a. a tubing cutter is used b. the tubing is being used for water piping c. the tubing is being used for refrigerant piping d. the resulting particles cannot be removed from the tubing
Technician "A" says that a shorted winding will result in an increased current flow through the winding. Technician "B" says that if a motor is to be replaced, a motor with a lower horsepower rating should always be used. Which of the following statements is correct?
A. Technician "A" is correct. Technician "B" is correct. B. Technician "A" is correct. Technician "B" is incorrect. C. Technician "A" is incorrect. Technician "B" is correct. D. Technician "A" is incorrect. Technician "B" is incorrect.