These notes apply to the drawing overall rather than to specific items:

A. general
B. specific
C. standard
D. location
E. none of the above


Answer: A

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There are three lines of defense against refrigerant leaks in a service valve: the back seat, the packing gland, and the ____________________.

Fill in the blank(s) with the appropriate word(s).

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Mill arbors that are supported by the overarm bearings are:

A) Very long arbors B) Types A and B C) Shell arbors D) Only Type C arbors

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A technician should listen carefully when a customer describes a problem because _____

a. most customers are technically knowledgeable b. it is a way of establishing rapport with a customer c. customers like to have someone to talk to d. you want to make sure the customer does not blame you for the problem

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In the system of Figure E-17 let the CTFT of the the excitation be This system is sometimes called a scrambler because it moves the frequency components of a signal to new locations making it unintelligible.


(a) Using only an analog multiplier and an ideal filter, design a “descrambler” that would recover the original signal.
(b) Sketch the magnitude spectrum of each of the signals in the scrambler-descrambler system.

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