Ramadan Special PLS-CADD Quiz – OHTL Design Leave a Comment / Electrical Design / By OHTL DESIGN Ramadan Special Quiz – OHTL Design 🌙 Welcome to Ramadan Special Quiz Conducted by OHTL Design Topic: PLS-CADD & Transmission Line Design 1. PLS-CADD software is primarily used for: Overhead transmission line design Electrical circuit simulation Substation protection design 2. PLS-CADD was developed by: Power Line Systems Siemens ABB 3. Tower used when line changes direction: Angle tower Tangent tower Suspension tower 4. Tower used at the end of a line: Dead-end tower Tangent tower Angle tower 5. The lowest point of a conductor between towers is called: Sag Span Clearance 6. Maximum sag occurs at: Highest temperature Lowest temperature Zero wind condition 7. Horizontal distance between two towers is called: Span Sag Clearance 8. Conductor sag-tension calculations require: Conductor properties, weather, and span length Tower paint and color Soil type only 9. Conductor curve between towers is called: Catenary Parabola Straight line 10. Tangent towers carry mainly: Vertical load Horizontal load Torsion load 11. Angle towers resist primarily: Horizontal line deviation loads Vertical loads Thermal expansion only 12. Dead-end towers are designed for: Maximum longitudinal tension Minimal conductor sag Suspension support only 13. LiDAR survey is used in PLS-CADD to: Model terrain and vegetation Calculate conductor resistance Measure voltage drop 14. Insulators attach conductor to: Tower crossarms Earth ground Shield wire only 15. Shield wires protect line from: Lightning Overloading Tower corrosion 16. Ruling span is: Equivalent span for sag-tension calculations Longest span only Shortest span only 17. Conductor sag decreases when: Temperature decreases Temperature increases Ice accumulates 18. Minimum phase-to-phase clearance prevents: Electrical flashover Tower collapse Sag increase 19. PLS-CADD can import terrain from: LiDAR, survey, or GIS Excel only JPG images only 20. Conductor tension is affected by: Weight, span, and temperature Tower paint Insulator color 21. Wind load on conductors depends on: Wind speed, conductor diameter, air density Voltage only Span length only 22. Ice load on conductors increases: Sag and tension Conductor color Tower height 23. Clearance analysis ensures safety from: Ground, vegetation, and structures Conductor corrosion Tower vibration 24. Terminal towers are placed at: Line start and end points Mid-span Angle only 25. PLS-CADD supports which coordinate system? Geographic and local Only local Only global 26. Line rating calculations depend on: Conductor type, temperature, wind Tower paint LiDAR resolution 27. PLS-CADD can generate: Plan/profile drawings, material reports, and stringing charts Only plan drawings Only sag reports 28. Conductor bundles reduce: Corona loss and reactance Tower load LiDAR data 29. Suspension towers primarily carry: Vertical loads Horizontal loads Torsion loads 30. Ruling span simplifies: Sag-tension calculations Tower foundation design Insulator rating 31. Tower spotting is: Determining tower locations along route Tower painting Cable bending 32. Conductor attachment point is: Suspension point on insulator Tower foundation Shield wire only 33. Clearance to vegetation ensures: Safety and reliability Tower weight Conductor color 34. Weather loading cases include: Wind, ice, and temperature Only ice Only wind 35. Structural analysis checks: Tower strength under loads Conductor color Sag only 36. Stringing charts show: Sag vs temperature Tower color LiDAR spacing 37. Span length affects: Conductor sag and tension Tower paint LiDAR resolution 38. Conductor thermal expansion occurs due to: Temperature change Tower height Angle deviation 39. PLS-CADD can optimize: Tower spotting and sag Conductor color LiDAR type 40. Clearance under conductors is critical for: Safety of people and vehicles Tower paint Insulator color 41. LiDAR data helps determine: Terrain profile and obstacles Tower paint Conductor color 42. Conductor bundle increases: Line capacity and reduces corona loss Tower height Sag only 43. Minimum conductor clearance is defined by: Voltage level and standards Tower weight Paint type 44. PLS-CADD integrates with: GIS and CAD software Paint software only Weather software only 45. Towers crossing rivers usually require: Special or tall towers Tangent towers Dead-end towers 46. Tangent towers carry: Mainly vertical load Horizontal load Thermal load 47. PLS-CADD generates: Reports, drawings, stringing charts Only LiDAR files Only Excel sheets 48. Conductor attachment to tower occurs via: Insulator suspension Foundation bolts Shield wire only 49. Weather loading does NOT include: Ice, wind, temperature Soil type Lightning 50. Conductor tension increases when: Temperature decreases Temperature increases Ice melts Submit Quiz