As it sets up, grout _____, thus filling voids under the bases and bedplates.

a. contracts
b. expands
c. shrinks
d. settles


b. expands

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What is the difference between “dimensions” and “units?”

What will be an ideal response?

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Which of the following statements is TRUE regarding a brazing project on a 3/16 in pipe with a 3 tip, the acetylene and oxygen regulators set at 7 psig, and that begins with heating the pipe first?

A) The oxygen regulator should be below 6 psig. B) The pipe should not be heated first while brazing. C) The acetylene regulator should be below 6 psig. D) The tip size is incorrect for a 3/16 in pipe.

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The starting torque of a split-phase induction motor is maximum when the current through the start and run coils are __________ degrees apart.

A. 0 B. 45 C. 90 D. 180

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What is tropospheric ozone and why are we not concerned with protecting it?

What will be an ideal response?

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