To control the variation in a brass bell, which feature control symbol would be used?
A. profile
B. concentricity
C. flatness
D. parallelism
Answer: A
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What must be done when charging a zeotropic refrigerant into an operating system?
A) Charging by superheat. B) Charging liquid through a metering orifice on the low-pressure side. C) Inverting the refrigerant cylinder. D) Adding charge only through the high-pressure side.
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Another name for drum cam is cylindrical cam.
Answer the following statement true (T) or false (F)
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What is the major advantage of a ball bearing motor?
What will be an ideal response?
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An open internal motor overload is distinguished by:
A) Infinite resistance between start and common. B) Measurable resistance between run and start. C) Infinite resistance between run and common. D) All of these.
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