Some proximity detectors employ sound waves and can be used to detect the distance to an object or to determine the position of a object.
Answer the following statement true (T) or false (F)
True
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The catalytic converter ____________________ and ____________________ the exhaust emissions from the engine.
Fill in the blank(s) with the appropriate word(s).
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Find the gain v?/vs of the circuit in Fig. 5.49.
 FIGURE 1.png)
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Technician A torques critical parts using an impact wrench. Technician B torques critical parts with an air ratchet. Who is correct?
A. A only B. B only C. both A and B D. neither A nor B
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Which type of ventilation uses openings in roofs or floors so that heat and smoke can escape the structure in an upward direction?
a. mechanical b. negative pressure c. horizontal d. vertical
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