Book 2 Chapter 14: Lighting Systems

Question 1

Which of the following is included in a luminaire?
A) Lamp
B) Ballast
C) Means of light control
D) All of the above

Answer 1

D) All of the above

Question 2

What is the resistance of a photo cell when dark?
A) 5 megohms
B) 10 megohms
C) 15 megohms
D) 25 megohms

Answer 2

C) 15 megohms

Question 3

What type of emergency lighting system is required for a place of assembly holding more than 1000 persons?
A) Type 2
B) Type 1
C) Type 3
D) Type 4

Answer 3

B) Type 1

Question 4

What percentage of the electrical consumption in a large office building is attributed to the lighting system?
A) 60%
B) 50%
C) 75%
D) 68%

Answer 4

A) 60%

Question 5

The efficiency of each type of lamp is affected by its:
A) Voltage
B) Location
C) Types of control
D) Frequency
E) Wattage

Answer 5

E) Wattage

Question 6

Low voltage switching of lighting:
A) Requires control relays
B) Cannot be used with fluorescent lights
C) Requires low voltage lights
D) Cannot be used with high bay metal halide lights
E) Require halogen bulbs

Answer 6

A) Requires control relays

Question 7

A luminaire is:
A) Type of lamp
B) Lamp ballast
C) Type of light refractor
D) Complete lighting unit
E) Type of light reflector

Answer 7

D) Complete lighting unit

Question 8

Ambient lighting can be improved by two types of lighting:
A) Direct and indirect
B) Reflective and refractive
C) Natural and artificial
D) Fluorescent and incandescent
E) General and local

Answer 8

A) Direct and indirect

Question 9

Cleaning of lamps should be done:
1. Every 6 months
2. Every 5 years
3. Never
4. To coincide with lamp replacement
5. No less than every 3 years

A) 2
B) 4
C) 4,5
D) 3
E) 1

Answer 9

C) 4,5

Question 10

A lighting system should be maintained to provide:
A) Adequate light at minimum cost throughout year to year operation
B) The maximum amount of light available
C) The highest efficiency
D) The lowest operating cost
E) The least amount of light necessary to keep the facility functioning

Answer 10

A) Adequate light at minimum cost throughout year to year operation

Question 11

Switching lighting from multiple locations requires:
A) Double pole switches
B) 3 and 4 way switches
C) Double pole circuit breaker
D) Multiple circuits
E) Single pole switches

Answer 11

B) 3 and 4 way switches

Question 12

Occupancy sensors are:
A) Modulating switches
B) Packaged switches
C) Self-regulating switches
D) Automatic switches
E) Semi-automatic switches

Answer 12

D) Automatic switches

Question 13

The emergency lighting system shall be arranged to provide the required illumination automatically in the event of any interruption of normal lighting due to any of the following:
1. Inadvertent disconnection of a circuit panel or switchboard
2. Failure of a building’s electrical system
3. General power failure
4. Light bulbs burn out

A) 1,3,4
B) 3,4
C) 1,3
D) 1,2
E) 1,2,3

Answer 13

E) 1,2,3

Question 14

The Life Safety Code requires that emergency lighting be provided for means of exit in:
A) All multiple residence units
B) All educational and institutional occupancies
C) Office buildings with occupancies of 300 or more people
D) All occupied spaces indoors
E) Places of assembly of less than 300 people

Answer 14

B) All educational and institutional occupancies

Question 15

Occupancy sensors can pay for themselves in:
A) 5 years
B) 2 months
C) 1 year
D) 3 years
E) 2 years

Answer 15

E) 2 years

Question 16

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

Answer 16

C) That arrives on the work plane

Question 17

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 3
C) Type 1 or 2
D) Type 1, 2 or 3
E) Type 2 or 3

Answer 17

D) Type 1, 2 or 3

Question 18

Which type of emergency lighting is required by the Life Safety Code to be provided automatically for means of egress(exit) for office buildings with occupancy in excess of 1000 people?
A) Type 2 or 3
B) Type 3
C) Type 1,2, or 3
D) Type 1
E) Type 1 or 2

Answer 18

C) Type 1 2 or 3

Question 19

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 with more than 1000 people?
A) Type 1, 2 or 3
B) Type 3
C) Type 2 or 3
D) Type 1 or 2
E) Type 1

Answer 19

E) Type 1

Question 20

One of the disadvantages of indirect lighting is:
A) Increase in building cost
B) Produces uniform, diffused, shadow-free light
C) Greater direct glare control
D) Blends in with the environment
E) Potential for maximum visual comfort

Answer 20

A) Increase in building cost

Question 21

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

Answer 21

A) Harsh shadows

Question 22

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

Answer 22

D) 1000 ohms

Question 23

One of the disadvantages of direct lighting is:
A) Low initial cost
B) Lower floor to ceiling height possible
C) More energy efficient
D) Greater potential for direct glare
E) Easier to control and direct

Answer 23

D) Greater potential for direct glare