T2 Part 15 Lighting For Industrial & Commercial

Question 1

What does GLS stand for?

Answer 1

General Lighting Service

Question 2

GLS lamp life expectancy?

Answer 2

1000 hours

Question 3

What is the most commonly used lamp in Ireland *

Answer 3

GLS Lamp

Question 4

life expectancy of a fluorescent lamp?

Answer 4

8000 up to 15,000 hours

Question 5

tungsten halogen lamp is operated ‘ above ‘ the rated voltage what will the result be?

Answer 5

Higher light output and shorter life

Question 6

Tungsten halogen lamp is operated ‘below’ the rated voltage what will the result be? *

Answer 6

Lower light output and shorter life

Question 7

If I tungsten halogen lamp becomes dirty what will the result be?

Answer 7

Cause fine cracks and premature failure

Question 8

Extra low voltage lamps generally operation at what voltage?

Answer 8

12v

Question 9

Extra low voltage lamps have a life expectancy of how many hours?

Answer 9

3000 hours

Question 10

F Triangle symbol

Answer 10

Equipment is suitable for mounting in flammable material

Question 11

With regard to fluorescent lighting what gives the light its color?

Answer 11

Fluorescent powder on the inside of the lamp

Question 12

The capacitor in parallel with the incoming supply on a fluorescent light performs what function?

Answer 12

Power factor correction

Question 13

The choke or ballast on a fluorescent light perform what function?

Answer 13

Limits the current

Question 14

What is the de-rating factor for equipment used to switch inductive Loads?

Answer 14

0.8

Question 15

What is the de-rating factor for equipment used to switch inductive Loads?

Answer 15

0.8

Question 16

What does PIR stand for?

Answer 16

Passive infra red

Question 17

PIR detects

Answer 17

Heat and movement

Question 18

The gas normally used to fill an Halogen lamp is?

Answer 18

Halogen

Question 19

Is through wiring in a luminaire permitted?

Answer 19

Only if the luminaire is specifically designed for this purpose

Question 20

What distance should a 60-watt incandescent spotlight be located from a flammable material?

Answer 20

0.6 Metre

Question 21

Why would an emergency lighting discharge test be performed?

Answer 21

To ensure the batteries last for the required duration In the event of a power failure

Question 22

A maintained emergency light performs which functions?

Answer 22

Is on during normal service and is on in the event of a power failure

Question 23

Philips S10

Answer 23

Fluorescent fitting Starter