Determine the central angle that cuts off an arc of 22.5 inches on a circle with a 21.0 inch radius. Express the answer to 1 decimal places and use 
= 3.14.
Fill in the blank(s) with the appropriate word(s).
61.4°
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____ fits are typically associated with selective assembly.
A. Interference B. Transition C. Clearance D. Bilateral
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The gable, the hip, the gambrel, the Dutch hip, the mansard, and the A frame are some of the most popular types of ____.
A. regular roofs B. incline roofs C. flat roofs D. slope roofs
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Accessory drive belts should be checked for proper tension by _______
A) A torque wrench reading on the tensioner B) Deflection C) Tensioner marks D) Any of the above may be specified
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Use the chart provided to determine the length of a 20-penny nail.
a. 10"
b. 8"
c. 4"
d. 6"
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