An incandescent light uses an electric current to heat a(n) ____________________ wire to a high temperature until it glows or incandesces.
Fill in the blank(s) with the appropriate word(s).
metal filament
filament
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Which of the following situations would be best-suited for the installation of prefabricated, preinsulated lagging panels?
a. Large, long, flat walls b. Narrow spaces among many pipe penetrations c. On hot (greater than 400°F or 200°C) power plant boiler enclosures d. Small-diameter chemical treatment tanks
High compression ratios will lead to lower compressor discharge temperatures.
Answer the following statement true (T) or false (F)
Which measuring gauge needs to be set up (adjusted) to a fixed dimension before use?
A) Vernier dial gauge B) Micrometer C) Dial indicator D) Dial bore gauge
Accident prevention requires an ongoing program, consisting of a variety of techniques.