In stair design, all ____ are the same width.

A. verticals
B. risers
C. treads
D. spans


Answer: C

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Drives using IGBTs generally use ____ to rectify the AC voltage into DC.

a. SCRs b. GTOs c. diodes d. thyristors

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The canal era of American history began in 1817 with the construction of the

A. Ontario Canal connecting New York and Canada (British North America). B. James River and Kanasha Canal from Virginia to Ohio. C. Wabash Canal in Indiana. D. Suez Canal in Illinois. E. Erie Canal in New York.

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The heavy-duty ____ drives smooth-shank, headed nails up to 3 1/4 inches, ring-shank nails up to 2 3/8 inches, and screw shank nails up to 3 inches.

a.finish nailer b.brad nailer c.framing gun d.roofing nailer

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Most electronic instrument clusters (EICs) have a(n) ____ display each time the ignition switch is turned on.

A. actuator B. status C. prove-out D. self-diagnostic

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