What were the five major innovations that made the American System possible?
What will be an ideal response?
The American System that created the McCormick reaper, Goodyear tires, the Colt revolver, the Singer sewing machine, and many other products, was driven by innovations that included:
1. Large-scale production for mass markets
2. Products made to precise design standards
3. Use of interchangeable parts
4. Expanded use of machine tools
5. Unskilled labor performing simplified operations
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When a valve cam ramps from base circle to outer base circle, what is happening to the valve?
A. it is stationary B. it is opening C. it is closing D. it is fully open
The purpose of a welded joint is to join parts together so that the ____.
A. weld does not interfere with the sliding B. least amount of scrap is produced C. the thickness of the joint will be acceptable D. completed weldment can withstand the stresses
According to Section 310.15(B)(7) in the NEC®, the minimum conductor size for a 200-ampere residential service entrance is _________ Cu or _________ Al.
a. 4 AWG; 2 AWG b. 3 AWG; 1 AWG c. 2 AWG; 1/0 AWG d. 2/0 AWG; 4/0 AWG
A prototype is a model or original design that has not been released for production.
Answer the following statement true (T) or false (F)