What is the difference between nominal size and outside diameter?
What will be an ideal response?
Nominal size is the name size. It is the approximate inside diameter. For iron pipe the outside diameter is ¼ inch larger than the nominal size. For copper tubing, the outside diameter is 1/8" larger than the nominal size.
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One low-beam headlamp has burned out on a truck. What is the reason that the other low-beam headlamp is unaffected?
A. The low-beam headlamps are wired in series. B. The low-beam headlamps are wired in parallel. C. The high-beam filament provides an alternate path for current resulting in a backfeed. D. Kirchhoff's current law
Chlorofluorocarbons are used as:
a. heating elements c. aerosol propellants b. automobile fuel d. air humidifiers
Wagon tracks are ____.
A. discontinuities resulting from failure to clean the convex root weld B. the weave pattern of a hot pass C. the small amount of metal deposited during the hot pass D. pinholes left in the root pass
A voltaic cell is constructed of two unlike metals and a(n) _____, alkaline, or salt solution.
A. ion B. saline C. salty D. acid