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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