A mechanic’s ____ is often used to listen for internal engine noises.

a. echoscope
b. stethoscope
c. endoscope
d. oscilloscope


b. stethoscope

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Special suppression systems are classified based upon the:

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Sketch the magnitude Bode plot for H(s) = 10s(s+20)/[(s+1)(s²+60s+400)], s = j?

What will be an ideal response?

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How does an air-defrost system work?

A) Hot compressor discharge gas is routed to the evaporator. B) A warm glycol solution is sprayed on the coil. C) Air from inside the store is directed over the evaporator. D) The superheated gas leaving the evaporator is used to melt the ice.

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Use Data Sheet 5 and 7.1" plastic pipe is divided into two equal segments.c-c = 50 inches long1" plastic, 90° degree ell1" plastic, teeFind the end-to-end measure of pipe A.

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

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