The throat pattern stretchout for a transition elbow with the transition in the cheek, and a throat radius of 6 inches, is equal to a. 17.27 inches, or 17 1/4 inches. b. 18.85 inches, or 18 7/8 inches. c. 9.424 inches, or 9 7/16 inches. d. 37.7 inches, or 37 11/16 inches.

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.

The characteristic roots of a dynamic system are: 1.7920 1.8160 i, -1.7920 1.8160 i, -0.4160 what is the order of this system? what are the settling time and damping ratio of the system?

Ahelical coil spring has a mean diameter of 50 mm, a wire diameter of 5.5 mm and is wound with a pitch of 10 mm. the spring steel has an ultimate strength of 1250 mpa. find the force needed to compress the spring solid and the wire stress in this condition. state whether the spring will return to its initial length.