Overload units are designed to open their contacts when the motor current reaches ____ of full-load current.

a. 95% to 105%
b. 105% to 115%
d. 125% to 135%


c. 115% to 125%

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Can one -way slabs and two-way slabs occur in the same floor?

What will be an ideal response?

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When stripping conductors, be sure to _____.

a. make a chisel point on the conductor end b. retwist and tighten the wire strands c. cut the insulation so that no frayed pieces or threads extend past the point of cutoff d. use cutting tools with jaws that butt against each other

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Define the content and purpose of an MSDS.

What will be an ideal response?

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Match the following:

1. Codes a digital bit stream by using a pseudorandom noise pattern 2. Uses less power, operates more efficiently with an expanded number of time slots 3. Digital signals are organized into packets and assigned to allocated time slots within a complete data stream 4. Transmitted signals hop randomly from one frequency to another 5. Can accommodate up to twenty times more users than FDMA 6. Allows only a single user access to a transmission frequency 7. Used mainly in Europe 8. Allows customers to be reassigned frequencies due to problems of interference and availability A. TDMA B. GSM C. CDMA D. FDMA E. DSSS F. FHSS

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