A(n) ____ switch is basically a synchronous switch that responds only to the desired rate signals from the amplifier that is over the reference.

A. modulator
B. encoder
C. demodulator
D. decoupler


Answer: C

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Earth's atmosphere exerts a weight or pressure of ____________________ psi at sea level.

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

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In the accompanying figure, the item identified with the letter C is ____.

A. the right vanishing point B. an object below the center of vision C. an object above the center of vision D. the left vanishing point

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Some of the wiring under the hood of a late model vehicle is encased in bright orange covering. This indicates a ________

A) High voltage electrical system B) High pressure hydraulic systems C) High pressure air conditioning system D) None of these

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When using a grinder or chop saw, a person should wear ____________________.

A. safety glasses B. face shield C. hard hat D. a and b

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