1.

Consider the following speed governors:    1. Porter governor           2. Hartnell governor 3. Watt governor             4. Proell governor. The correct sequence of development of these governors is:

A. 1, 3, 2, 4
B. 3, 1, 4, 2
C. 3, 1, 2, 4
D. 1, 3, 4, 2
Answer» C. 3, 1, 2, 4


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