Chapter 14 Lighting Systems

Question 1

1. Which type of emergency lighting is required by the Life Safety Code to be provided
automatically for means of egress (exit) for places of assembly for 300 or more
people?
A. Type 1
B. Type 1 or 2
C. Type 3
D. Type 1, 2 or 3
E. Type 2 or 3

Answer 1

D. Type 1, 2 or 3

Question 2

2. Which type of emergency lighting is required by the Life Safety Code to be provided
   automatically for means of egress (exit) for structures, into which daylight does not
   penetrate, with occupancy of 100 or more people?
   A. Type 1, 2 or 3
   B. Type 2 or 3
   C. Type 3
   D. Type 1 or 2
   E. Type 1

Answer 2

A. Type 1, 2 or 3

Question 3

3. Which type of emergency lighting is required by the Life Safety Code to be provided
automatically for means of egress (exit) for multiple residences with 25 or more
dwelling units?
A. Type 3
B. Type 1 or 2
C. Type 1, 2 or 3
D. Type 2 or 3
E. Type 1

Answer 3

C. Type 1, 2 or 3

Question 4

4. Which type of emergency lighting is required by the Life Safety Code to be provided
automatically for means of egress (exit) for all educational and institutional
occupancies?
A. Type 1, 2 or 3
B. Type 1 or 2
C. Type 3
D. Type 2 or 3
E. Type 1

Answer 4

B. Type 1 or 2

Question 5

5. Even in very clean situations, light output can drop by \_\_\_\_\_ per year.
A. 5%
B. 3%
C. 9%
D. 12%
E. 15%

Answer 5

A. 5%

Question 6

6. Ordinarily, the most economical group relamping period is about \_\_\_\_\_ of rated
life of the lamp.
A. 100%
B. 60%
C. 90%
D. 50%
E. 70%

Answer 6

E. 70%

Question 7

7. Employing occupancy sensors to turn lights on and off in areas of low occupation
   can reduce lighting costs by _____ percent.
   A. 30 to 50
   B. 20 to 50
   C. 30 to 60
   D. 40 to 60
   E. 20 to 60

Answer 7

E. 20 to 60

Question 8

8. What is the resistance of a photo cell when exposed to light?
A. 5000 ohms
B. 100 ohms
C. 1500 ohms
D. 1000 ohms
E. 300 ohms

Answer 8

D. 1000 ohms

Question 9

9. One of the disadvantages of direct lighting is:
   A. Harsh shadows
   B. More energy efficient
   C. Low initial cost
   D. Lower floor to ceiling height possible
   E. Easier to control and direct

Answer 9

A. Harsh shadows

Question 10

10.A luminaire is the:
A. Complete lighting unit
B. Lamp
C. Ballast
D. Means of light control
E. Reflector or refractor

Answer 10

A. Complete lighting unit

Question 11

11.Lamp efficiency is expressed in:
A. Watts per lumen
B. Lumens per watt
C. Candle per power
D. Power per watt
E. Lumens per volt

Answer 11

B. Lumens per watt

Question 12

12.Infrared motion detectors respond to:
A. Heat
B. Stillness
C. Temperature
D. Light
E. Movement

Answer 12

A. Heat

Question 13

13.One of the disadvantages of indirect lighting is:
A. Potential for maximum visual comfort
B. Greater direct glare control
C. Less energy efficient
D. Blends in with the environment
E. Produces uniform, diffused, shadow-free light

Answer 13

C. Less energy efficient

Question 14

14.Circuit protection for all branch circuits that is required by Electrical Codes is
accomplished by the use of a:
A. Tie breaker
B. Circuit breaker
C. Circuit Switch
D. Ground fault breaker
E. Transformer

Answer 14

B. Circuit breaker

Question 15

15.Most offices have _____ lighting since it is difficult to predict desk locations and
the locations that might get by with lower lighting levels.
A. Local
B. Supplementary
C. Task
D. Uniform
E. Non-Uniform

Answer 15

D. Uniform

Question 16

16._____ high-level lighting is provided for a work area or display without
consideration of overall uniform ambient lighting.
A. Uniform
B. Non-Uniform
C. Task
D. Combined
E. Local

Answer 16

E. Local

Question 17

17.The coefficient of utilization (CU) of a lamp describes the percentage of light
produced by the lamps:
A. From the current consumed
B. In lumens per watt
C. In watts per lumen
D. That arrives on the work plane
E. That leaves the lamp

Answer 17

D. That arrives on the work plane

Question 18

18.The control of light produced by the lamp and is accomplished by the use of
transparent, _____, or opaque surfaces that refract, reflect, or absorb light
directing it to the zones where it is required and preventing it from reaching the
zones where it is not required.
A. Transcendental
B. Translucent
C. Transportation
D. Transylvanian
E. Transamerica

Answer 18

B. Translucent

Question 19

19.The control of light produced by the lamp and is accomplished by the use of
transparent, translucent, or opaque surfaces that refract, _____, or absorb light
directing it to the zones where it is required and preventing it from reaching the
zones where it is not required.
A. Redirect
B. React
C. Reflect
D. Render
E. Refit

Answer 19

C. Reflect