Lighting Introduction Quiz

1. Question

Which of the following is a poor choice of replacement lighting for standard T-8 fluorescent lighting?

T-12 fluorescent lighting
LED lighting
Super T-8 lighting
T-5 fluorescent lighting

2. Question

Which of the following is part of an high-intensity-discharge lamp?

Arc tube.
Phosphor coating.
Glowing resistance element.
Solid-state light source.

3. Question

Which of the following light sources has the worst color-rendering index (CRI)?

High-pressure sodium
Metal halide
LED
Fluorescent

4. Question

What is a sufficient but not excessive wattage of an LED lamp needed to replace a 60 watt incandescent bulb without sacrificing lumens?

12 watt
24 watt
40 watt
5 watt

5. Question

What is the approximate efficacy of T-12 fluorescent powered by a magnetic ballast?

54.0
78.0
120.0
25.0

6. Question

What type of lamps are high-pressure sodium & metal halide?

High intensity discharge.
Super incandescent.
Efficient halogen.
Mercury-vapor.

7. Question

Which of these lighting technologies would you find in an energy-efficient gymnasium or an energy-efficient new-car lot?

Metal halide
Mercury vapor
High pressure sodium
Halogen

8. Question

A 350 watt lamp stays on for 13 hours. How many kilowatt-hours has the fan consumed?

4.55
45.5
4550
0.455

9. Question

How does electrical current in fluorescent lamps produce light?

It passes through mercury gas causing the glass coating to glow.
It passes through the glass tube causing its surface to glow.
It causes mercury gas to glow.
It passes through a metal filament causing the filament to glow.

10. Question

What legitimate LED retrofit requires the least investment and effort for a four foot fluorescent fixture?

Change to an LED tube.
Remove the ballast and install an LED tube.
Remove the fixture and replace it with a tubular LED fixture.
Retrofit the existing bulb with an incandescent insert.

11. Question

Which of the following is a controlling variable in controlling lights automatically?

All of the above.
Time.
Light level.
Occupancy.

12. Question

Which of the following describes part of the process of generating fluorescent light?

Current through mercury gas causes phosphors on a tube to glow.
A metal filament glows when current flows through it.
Light emanates from an arc between two electrodes.
An electronic gas glows when a current is applied to it.

13. Question

What type of lighting system is referred to as solid-state lighting (SSL)?

LEDs
HIDs
HPS
T-5

14. Question

What is the most energy-efficient type of fluorescent lighting?

T-5
Super T-12
CFL
Halogen

15. Question

What does a ballast do in a fluorescent or HID lighting circuit?

Increases voltage to drive current through a high resistance.
Decreases resistance allowing current to flow.
Increases current as necessary to create light from electricity.
Internal semiconductor creates light within the ballast.

16. Question

Which of the following lighting types doesn’t require a ballast?

LEDs
Super T-8
High-pressure sodium
Metal halide

17. Question

What design feature of an outdoor LED fixture determines the shape and size of the lighted space on the ground?

The direction that the individual LEDs point.
The light level controller.
The ballast factor of the fixture.
The fixture actuator motor.

18. Question

What design feature of an outdoor LED fixture determines the shape and size of the lighted space on the ground?

The direction that the individual LEDs point.
The light level controller.
The ballast factor of the fixture.
The fixture actuator motor.