The mode of heat transfer that occurs when a temperature difference exists in a medium is known as
a. conduction
b. convection
c. radiation
d. none of the above
a. conduction
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Explain the difference between a primary cell and a secondary cell
What will be an ideal response?
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Support intervals for cables requiring surface installation will not exceed how many feet?
a. 5. b. 10. c. 15. d. 20.
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Which of the following is described using a nominal size and a net size?
A. drywall B. strong back C. sawn lumber D. purlin
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____ resistors are used in high-current circuits where precision is necessary.
A. Wirewound B. Molded carbon composition C. Film D. Surface-mount
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