The foremost guide to electrical safety is the ____.
a. National Electrical Guideline®
b. National Electrical Code®
c. American Electrical Code®
d. Guide to Electrical Code®
b. National Electrical Code®
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In which of the following situations would double floor joists not be needed?
a. Under floor openings for stairs b. Under loadbearing interior walls running perpendicular to the joists c. Under heavy objects like whirlpool tubs d. Under loadbearing interior walls running parallel to the joists
Technician A says that the ABS may not result in shorter stopping distance compared to brakes without ABS. Technician B says that a pulsating brake pedal during normal braking is a characteristic of most ABS-equipped vehicles. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Power in a series-parallel resistor circuit is dissipated as:
A) current flow. B) resistance change. C) voltage loss. D) heat.
A properly installed lap-seam metal roof compensates for the longitudinal movement of the roof panels by
_____. a. slotting the panels so they can move on their fasteners b. attaching the panels to purlins, which roll or bend to absorb the movement c. using special fasteners that absorb the movement d. flexing and bending the panels so no panel-to-panel movement occurs