How does an ultrasonic-type leak detector work?

A) It sees the disturbance in the air surrounding the leak.
B) It uses Bluetooth wireless technology.
C) It hears the high-pitched sound of escaping gas.
D) It uses sonar to look for imperfections in the tubing and fittings.


C

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A modern motor control center combines the latest automation technologies in a common ____.

a. enclosure b. function c. shaft d. surface

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A(n) ____________________ representation depicts in one plane, such as a sheet of paper, many images of the same object, each viewed from a different direction.

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

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What part of the motor is where the alternating current supplied to the motor flows, creating a magnetic field using magnets and coiled wire?

A. Rotor B. Stator C. Piston D. Rotating conductor

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Assume a flat panel is tilted 10_ from the optimum. What fraction of the available energy is lost due to the tilt?

What will be an ideal response?

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