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IoT Technician (Smart City) Practice Test: Installing, testing & trouble shooting of smart street light
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IoT Technician (Smart City) Practice Test: Installing, testing & trouble shooting of smart street light
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25 Questions

1. Why light sensor is introduced in solar street light system?
2. What does DALI stand for lighting control system?
3. What type of battery bank is best to attach with solar panel?
4. Candela is the unit of................
5. The rig up circuit of lighting system is based on IC
6. Dimming by cut-off in the wave on its descending side is................
7. What type of electrical source is a solar panel?
8. Illuminance is measured in................
9. Why motion sensor is introduced in solar street light system?
10. How smart embedded system is programmed to on the street light based on detection of sunlight?
11. Why speed sensor is introduced in smart street light system?
12. What is benefit of smart street lighting?
13. Why temperature sensor is introduced in solar street light system?
14. What device is important to install in smart street light system for over current protection?
15. Phase dimming systems dim the lights by altering the................    
16. How brightness of smart street light is varied in the time of fog?
17. Why security cameras are installed in smart street light?
18. What is the unit of measured energy displayed by 3 phase Modbus energy meter?
19. Dimming cut-off in the wave on its ascending side is................  
20. What type of light source used in solar street light?
21. What wireless network technology is used in smart street lighting?
22. If the strength of light falling on LDR increases, the LDR resistance will ...................'
23. Select the Solar street light component.
24. What is the unit of luminous flux?
25. LDR’s are also called................  

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