Why is John Deere important?
What will be an ideal response?
John Deere invented the first steel plow. The plow was thinner and lighter than previous
plows and made cultivation of the land much easier
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These are thin lines used in the view of a section to show where material has been cut.
a. cutting plane lines b. section lines c. dimension lines d. extension lines
Which of the following is an NEC® requirement for grounding and bonding cable tray installations?
a. Only single conductor cable may be used in cable trays used as equipment grounding conductors. b. Nonmetallic cable trays must be bonded with flexible bonding jumpers. c. Steel or aluminum trays may be used as equipment grounding conductors. d. Metal cable tray does not require bonding.
Parking brake systems:
A. apply kinetic energy and friction to stop and hold the vehicle. B. use static energy and friction to apply the brakes. C. are applied by hydraulics acting on parking brake pistons. D. none of the above.
Refrigeration needs on trucks, tractor-trailers, and shipping containers are equipped with:
A) Screw compressors. B) Centrifugal compressors. C) Scroll compressors. D) Open-drive compressors.