The main contribution of the Hatch Act of 1872 was to:

A. Provide public land and funds for universities
B. Authorize experiment stations in states with land grant colleges
C. Establish Vocational Agriculture in public high schools
D. Set up the Cooperative Extension Service


Answer: B

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The tool shown in the above figure is used to _____ pipe.



a. join
b. clean
c. cut and bevel
d. thread

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Which of the following eliminates the need for taping and the use of filler tape?

a. Motor connection kit b. Heat-shrink insulator c.Wire nut d. Parallel-tap connector

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Which of the following systems uses compression pumps and condensers to cool the air?

A) Absorption system B) Mechanical compression system C) Thermoelectric system D) Evaporative system

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Describe "Chordal Action" in a chain drive

What will be an ideal response?

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