Which chemical is used to strengthen lead grids in maintenance-free batteries?
A) Calcium B) Copper C) Antimony D) None of these
A
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Which of the following characteristics is an advantage for using an electromechanical relay versus a solid-state relay?
a. Arcless switching b. Longer life expectancy c. Ability to withstand surge currents d. Faster response time
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Gerbils are very adept at finding ways to escape
Indicate whether the statement is true or false
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____________________ and ____________________ are the two types of vehicles used for paint
pigment.
Fill in the blank(s) with the appropriate word(s).
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What rating of diesel fuel indicates how well a diesel engine will start?
A) Cloud point B) Specific gravity rating C) Cetane rating D) Sulfur content
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