The effective use of springs in machine design depends on several basic criteria. Which of the following is not one of those criteria?
A. function stresses
B. tolerances
C. smoothness
D. material
E. none of the above
Answer: C
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The term ____________________ refers to the failure to grow at the appropriate rate and to achieve normal mature weight
Fill in the blank(s) with correct word
Which of the following describes two circuit elements that have two points in common?
A) They would be connected in a series/parallel configuration. B) They are considered to be in opposition. C) They are considered to be in parallel. D) They would be connected in series.
Hand signals for hoisting equipment can only be provided by qualified signal persons and _____.
a. ironworkers b. supervisors c. stationary engineers d. riggers
The frequency of alternating current is the number of complete cycles that occur in a minute.
Answer the following statement true (T) or false (F)