A very thin ____________________ of ____________________ is used to prevent metal-on-metal contact of internal engine parts.

Fill in the blank(s) with the appropriate word(s).


film, oil

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Which of the following is true when installing grounding at more than one building?

a. Only the equipment grounding conductor is extended to the second building. b. The second building never requires its own grounding electrode. c. The equipment grounding conductor from the main building is terminated on a bus isolated from the rest of the cabinet. d. The grounded circuit conductor and the equipment grounding conductor must both be extended to the second building.

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What is the most important hand signal that you and the helper should agree on

a. Start b. Go c. Stop d. none of the above

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If you want to maximize the quantity of vegetative cover on soil which of the following tillage practices would you use?

A) ridge tillage B) strip till C) conventional moldboard plow D) no-tillage E) stubble mulch

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What unit of electricity is used as a signal for a computer?

A) Ampere B) Ohm C) Volt D) Watt

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