The term constructional stretch is defined as stretching that occurs _____.
a. in the first phase in the life of a wire rope
b. in the second, prolonged phase in the life of a wire rope
c. in the third and final phase in the life of a wire rope
d. as the rope is initially wound on the drum
a. in the first phase in the life of a wire rope
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The piston converts reciprocating motion into rotary motion.
Answer the following statement true (T) or false (F)
Most microswitches require a movement of approximately ____ to change the contact position.
a. 0.38 mm b. 0.58 mm c. 0.78 mm d. 0.98 mm
The series loop system is the hydronic system that is found most often, primarily because of the ____.
A. heated water flows in the same direction in parallel pipes B. first terminal units being supplied will be warmer than the later ones C. possibility of having individual temperature control for each area being heated D. low installation costs
Working with a 6/12 roof slope, what is the theoretical length for a common rafter on a roof system with a 20' total span?
A) 9.64' B) 14.22' C) 11.18' D) 10.6'