What is the diametral pitch of a gear with a pitch diameter of 8 and 24 teeth?
a. 3
b. 4
c. 1/3
d. 12
a. 3
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Some ____ are used to reduce a plastic's cost by providing bulk.
A. plasticizers B. stabilizers C. fillers D. colorants
Answer the following statements true (T) or false (F)
1. The idea of up-selling is tempting and should only be done on occasion. 2. Make sure to always focus on the customer's main concern. 3. A price leader is the practice of significantly lowering the price of a commonly used product or service to attract attention and additional business. 4. It is important to provide a thorough preliminary estimate.
Computer study—Truss Stiffening Strategy. For the truss in Example 8.7, use the RISA- 2D computer program to (a) recompute the vertical deflection of F if the areas of members BC, CD, DE, EF, FA, FC, and CE are doubled. What is the percent increase in total volume of material used? What is the percent reduction in deflection? (b) Recompute the vertical deflection of F if only members AB and BF have double the area. What is the percent increase in total volume of material used? What is the percent reduction in deflection? (c) Using only Table 8.2, explain your result.
If the torch is not self-igniting, it should be lit using _____
a. kitchen matches b. a cup-type striker c. a small torch d. a butane cigarette lighter