1. ATS has faster response than STS
- True
- False
2. Armoring is used to protect the cable layers from mechanical stresses
- True
- False
3. We can use 3 Poles ATS two switch between two different sources (Transformer & Generator)
- False
- True
4. Vacuum CB has global warming potential far lower than SF6 circuit breaker.
- False
- True
5. ELCB can detect the short circuit current faster than MCB ?
- True
- False
6. Total Diversified Load is higher than Total Demand Load
- True
- False
7. The purpose of form of separation in LV Switchgear is
- Limitation of the probability of initiating arc faults.
- All of the Above
- Protection against contact with live parts
- Protection against the passage of solid foreign bodies from one unit of an Assembly to an adjacent u
8. Fuses response against Short Circuits is faster than circuit breaker?
- True
- False
9. One of the importance of Street lighting is contribute to commercial and social use at night of town centers and tourist locations
- True
- False
10. PVC has lower thermal resistivity than XLPE
- True
- False
11. Which one of the following is a factor that affecting artificial lighting design process
- Application
- Atmosphere
- Architecture
- All of the above
12. We used ELCB in the wet area applications
- False
- True
13. 3 Pole LBS used with single phase systems
- False
- True
14. Trip unit used in MCB is
- Magnetic Only Trip Unit
- Termal/Magnetic Trip Unit
- Electronic Trip Unit
- Residual Current Release.
15. On structures taller than 40 m, flashes to the side may occur
- True
- False
16. Low smoke halogen used in closed public places where we can’t afford losing people by suffocation.
- True
- False
17. Direct lighting schemes make modeling and shaping for objects
- False
- True
18. The one who's responsible about Project Shop Drawing is ........................... ?
- Contractor Technical Office
- Consultant
- Owner
- Site Engineer
19. The one who's responsible about approving suppliers technical offers is ........................... ?
- Supplier
- Contactor Technical Office
- Consultant
- Owner
20. In an Inductive load, what are the purpose of reactive load?
- To energize the magnetic field.
- None of the above
- To generate electric field in the motor winding
- Transformed into mechanical power
21. Uses of CT & VT in MV Switchgear are ?
- None of the above
- Safely isolating secondary control circuits from the high voltages or currents.
- Both A & B
- Operate instruments or metering from high voltage or high current circuits,
22. Basement ventilation required Jet fans, Exhaust fan and Fresh air.
- False
- True
23. The RCD provides protection from small current leakage arising due to accidental touch by human being or insulation failure.
- True
- False
24. A remote terminal unit (RTU) is a multipurpose device used for remote monitoring and control of various devices and systems for automation.
- True
- False
25. The color of the normal socket may be .......
- None of the above
- Green
- Red
- Orange
26. While defining the lightning protection zones, The zones should necessarily have physical boundaries (e.g. structure walls).
- True
- False
27. Which type of the following lamps is used in outdoor lighting?
- All of the above
- Metal halide
- LED
- Sodium lamps