Electrical Wiring Module 3 Questions With Verified Answers.
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Course
Electrical Wiring
Institution
Electrical Wiring
Electrical Wiring Module 3 Questions With
Verified Answers.
Optic nerve - answercarries light to neural impulses from the eye to the brain
light energy that is not absorbed by and object can be - answerboth reflected from and transmitted
through the object
when all the wavelengths of the light...
Electrical Wiring Module 3 Questions With
Verified Answers.
Optic nerve - answer✔carries light to neural impulses from the eye to the brain
light energy that is not absorbed by and object can be - answer✔both reflected from and transmitted
through the object
when all the wavelengths of the light spectrum are presented to the eye in nearly equal proportions, the
color or the light is - answer✔white
the resistance of a tungsten filament is - answer✔much higher when the lamp is turned on
the filament of a tungsten-halogen lamp is encased in a capsule containing - answer✔iodine or bromine
gas
the diameter of a 4', T-12 fluorescent lamp is - answer✔1 1/2"
during operation, a high- output (HO) fluorescent lamp typically has a current draw of - answer✔800 mA
- 1,000 mA
the type of high-intensity discharge (HID) lamp that uses the oldest HID technology is the -
answer✔mercury vapor lamp
A light that is considered warm in tone is produced by lamps with color temperatures - answer✔3,000k
to improve both ballast efficiency and lamp efficacy, an electronic ballast typically operates the
connected fluorescent lamps a a frequency of - answer✔20Hz - 50Hz
which variation of constant-wattage autotransformer (CWA) ballast is used with metal halide lamps? -
answer✔PLA, peaked lead auto-regulator
Most code requirements governing the installation of lighting fixtures, lampolder, and lamps are
covered in - answer✔NEC Article 410
- answer✔18"(450mm) and 6' (1.8m)
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