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Lighting and Emergency Lighting
Lighting and Emergency Lighting
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An #Electrical Quiz for 2d year Electrical Apprentices
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
46-202 states that battery voltage must not go below ______ for at least _______
91%, 1.5 hours
91%, 30 mins
80%, 30 mins
80%, 1 hour
2
What component in the Unit Equipment allows the battery to be continuously charged?
Trickle Charger
Transfer Relay
Indicating lights
Rechargeable Battery
3
Which component of the UE disconnects the AC supply during a power failure?
Trickle Charger
Transfer Switch
Indicating light
Rechargeable Battery
4
Which light requires diffusers built into the bulb to spread the beamy light?
LPS
LED
HPS
Fluorescent
5
Will it shorten the lifespan of a Metal Halide to have it switched frequently?
Yes
No
6
What is it when the frequency of the lamps fluctuations cause moving objects to appear still?
The rave effect
Freeze frame effect
Spinner effect
Stroboscopic effect
7
What safety consideration should be taken when changing out ballasts?
All of the above
PCB's may be present
High Voltage may be present
Often working at heights
8
What is the most likely cause of flickering on a new fluorescent light?
Tube not yet seasoned
Ballast at end of life
Kids at the light switch
Tube at end of life
9
What is the minimum time that 40W of emergency lighting must remain lit?
1.5 hours
2 hours
1 hour
30 mins
10
Which light is the most cost effective initially? (to purchase and install)
Incandescent
LED
Metal Halide
Induction
11
What light does not require a ballast?
LED
Fluorescent
Metal Halide
HPS
12
How many 4 way switches are required to switch a light from 5 locations?
3
2
4
5
13
Which table should be used to calculate voltage drop on Emergency circuits?
D3
2 and 4
D5
D4
14
How often should Emergency lighting be tested for its minimum time duration?
Weekly
Daily
Yearly
Monthly
15
The best lighting option for most applications is:
Fluorescent
LED
Incandescant
HID
16
Besides the CEC, what other governing body lists Emergency power and lighting requirements?
TSBC
Safety Authority
ABC
NBC
17
What hazard should be considered before checking socket voltage of an HPS light fixture?
DC voltage present
Lots of dust, wear safety glasses
Voltages upwards of 2500V, don't do it!
Sharp edges, wear gloves
18
This light was used for road lighting due to its high efficacy, but no longer due to bad CRI.
LED
Metal Halide
LPS
HPS
19
Which Code rule states that circuits supplying Exit Signs cannot supply any other loads?
46-304
46-106
46-206
46-400
20
Which light has troubles operating in cold temperatures?
Induction
Incandescent
Fluorescent
LED
21
Which of the following is NOT considered an HID light:
High Pressure Sodium
Mercury Vapour
Metal Halide
Low Pressure Sodium
22
How often should Emergency lighting be tested momentarily to ensure proper operation?
Monthly
Daily
Yearly
Weekly
23
Which light is most commonly chosen to illuminate sports venues?
Incandescent
Metal Halide
HPS
Induction
24
Ventilation must be provided due to the off-gassing of what during charge/discharge of batt's?
Mercury
Zinc
PCB's
Hydrogen
25
Lighting contactors have a low voltage coil that controls...
photocells
Higher voltage contacts protected by overload heaters
Higher voltage contacts that switch banks of lights
Low voltage lighting
26
Which is not a typical light switching method?
Contactor
Dimmer
Photocell
Float Switch
27
Which light wastes most of its energy on heat?
Induction
LED
Incandescent
Fluoresecent
28
Which HID light gives off a yellow light?
High Pressure Sodium
Induciton
Mercury Vapour
Metal Halide
29
During charging, the supply voltage must:
Be lower than battery voltage
Be AC
Exceed battery voltage
Must match battery voltage exactly
30
Which light is considered the most cost effective over its lifespan?
Incandescent
HPS
LED
Metal Halide
31
What does ROI mean?
Return on Investment
Return of Infrastructure
Retrofit Operational Investment
Required Operational Investment
32
Fluorescent ballasts have a sound rating from A to F. Which one is the quietest?
A
F
33
Which battery has the longest standby lifespan?
Nickel Cadmium
Lead Acid
Flux Capacitor
Lithium Ion
34
What would be the effect of a fluorescent light with no phosphorus coating inside the tube?
UV radiation
Sun tan/burn and eye irritations
All of these
No visible light
35
Will it shorten the lifespan of an LED to have it switched frequently?
Yes
No
