____ in various alloyed forms was used by prehistoric man because of its presence in the meteoric iron used to produce tools.
A. Titanium
B. Zinc
C. Tin
D. Nickel
Answer: D
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____________________ involves using a DC motor as a generator, taking it off the supply line and applying an energy dissipating resistor to the armature.
Fill in the blank(s) with the appropriate word(s).
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Nutrient levels for nonruminant rations are usually stated as a "proportion of the ration."
A. True B. False
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When a three way control valve reduces the flow through the coil by
A) sending some of the flow backwards in the direction it came from B) opening and closing in pulses to vary the flow C) closing and reducing the flow through the circuit D) allowing some of the flow to bypass around the coil
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Even the best plan can do no good until it is effectively executed.