When entering a confined space:
A) You should leave a note at the entry point.
B) Another worker should be posted outside the confined space.
C) You should wear clothes that are resistant to spontaneous arcing.
D) You should take a radio or cell phone for emergency calls in case you pass out.
B
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0.490 lb/cu in = ? lb/cu ft
Fill in the blank(s) with the appropriate word(s).
Available furnace cabinet configurations include:
A) Up-flow, down-flow, horizontal, lowboy, multiposition. B) Flame-resistant, flameproof, and explosionproof. C) Small, medium, and large. D) Vertical, horizontal, side-by-side, over-under, and wall mount.
Technician A says that Ohm's law can be used to determine circuit current flow if total circuit resistance and total voltage are known. Technician B says that Ohm's law can be used to calculate the unknown resistance of a load in a circuit if total current and source voltage are known. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
In Figure 14-1, if the primary to secondary turns ratio is 7.5:1, the output voltage equals ________
A) 16 VRMS B) 900 VRMS C) 9 VRMS D) 32 VRMS