NCCER ELECTRICAL LEVEL 3 MODULE 3 PRACTICAL

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NCCER ELECTRICAL LEVEL 3 MODULE 3 'PRACTICAL

APPLICATIONS OF LIGHTING' EXAM QUESTIONS

Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -41 Questions and Answers

-Format: Multiple-choice / Flashcard

Question 1: In a health care facility, luminaires mounted near the floor would be found in ___.

Answer:

patient rooms

Question 2: Recessed luminaires are likely to be found in a ___.

Answer:

ceiling

Question 3: Two codes or standards for lighting efficiency are found in ____.

Answer:

International Energy Conservation Code and ASHRAE 90.1 Question 4: Following the loss of normal power, an exit luminaire must remain lit for ___. **

Answer:

90 minutes

Question 5: Industrial fluorescent luminaires with apertured reflectors typically direct which percentage of light downward toward the worksurface?

Answer:

100% Question 6: A luminaire with an IESNA Type 1 light distribution would be used for a ___.

Answer:

narrow roadway

Question 7: Time clocks are often used with ___.

Answer:

photo sensors Question 8: Lighting that provides illumination over a small area or confined space without providing any significant general lighting in the local area is classified as ____ lighting.

Answer:

local Question 9: True or False? Dust-proof luminaires are constructed so that dust is prevented from entering the enclosed case.

Answer:

True

Question 10: In a school, task-oriented lighting can be found in a(n) ___.

Answer:

classroom Question 11: All of the following sensors are normally used as occupancy sensors, except a(n) ___.

Answer:

sound sensor

Question 12: DALI, DMX512, RF, and ___ can all be used for dimming luminaires.

Answer:

DMX

Question 13: Lighting that directs well-focused illumination to a specific surface such as a kitchen counter is classified as ___.

Answer:

task lighting

Question 14: Daylight harvesting uses an occupancy sensor along with a ___.

Answer:

timing mechanism Question 15: low-bay luminaires are generally designed for installation at mounting heights of ___ and below.

Answer:

up to 20' Question 16: Locations that are hazardous because of the presence of combustible dust.

Answer:

Class 2 locations

Question 17: NEC Article 500 governs the application and installation of ___.

Answer:

Hazardous location lighting

Question 18: Wash-down resistant luminaires are most likely to be used in ____.

Answer:

food processing plants Question 19: A growing group of systems used to control LED drivers individually. Different technologies are used, such as Wi-Fi.

Answer:

Radio Frequency(RF) Question 20: Ture or False? Ceiling-mounted luminaires equipped with diffusers direct their light in a narrow pattern?

Answer:

False: They direct their light in a wide pattern

Question 21: Locations in which flammable gases or vapors are or may be present in the air in quantities sufficient to produce explosive or ignitable mixtures.

Answer:

Class 1 locations

Question 22: Light pollution does not interfere with ___.

Answer:

crime Question 23: Two identical low-bay HID luminaires are to be mounted at a height of 18'. If these luminaires have a spacing criterion (SC) of 1.5, what is the maximum distance that should exist between them to provide proper lighting?

Answer:

27' Question 24: ___ luminaries are the preferred luminaire when constructing new classrooms.

Answer:

High CRI Question 25: An office area in which the occupants sit quietly at desks is best suited for a lighting system controlled by a(n) ___.

Answer:

infrared sensor Question 26: A class of lighting that distributes 90% to 100% of the light downward is ____.

Answer:

direct-indirect

Question 27: A cobra-head luminaire may be used for___.

Answer:

roadway lighting Question 28: Merchandise contained in a store display cases is frequently illuminated by ____ luminaires with a high CRI.

Answer:

strip-type