Which of these is considered a greenhouse gas?
a. carbon dioxide c. methane
b. nitrous oxide d. all answers
D
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According to NEMA definitions, which of the following is a type of totally enclosed motor?
a. Drip-proof b. Guarded c. Sealed windings d. Water-cooled
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Briefly describe metric tolerancing controlled by the ISO 2768 General Tolerances standard developed by the International Organization for Standardization (ISO).
What will be an ideal response?
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Normally ____________________ contacts must be checked with the device de-energized.
Fill in the blank(s) with the appropriate word(s).
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Vegetables that require cooler climates include cabbage, broccoli, potatoes, and cauliflower
Indicate whether the statement is true or false.
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